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Designing an Arduino Uno Enclosure in Fusion 360

Added: 2026-08-07

Deep Dive

Basic user interface navigation and 2D sketching techniques in Autodesk Fusion 360, including the use of geometric constraints and dimensioning.

Fusion 360 complete beginner tutorial - step by step

Fusion 360 complete beginner tutorial - step by step

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This comprehensive section covers the complete Fusion 360 interface including tabs (Solid, Surface, Mesh, Sheet Metal), workspaces (Design, Rendering, Animation, Simulation, Drawing, Generative Design), panels (Create, Automate, Modify), browser, timeline, view cube, and heads-up toolbar. Navigation tools include Orbit (free/constrained rotation), Look At, Pan, Zoom, Zoom Window, and Zoom Fit. Visual styles range from Wireframe to Shaded with Ambient Occlusion. The timeline records all actions chronologically, while the browser organizes features hierarchically. Data panel manages cloud storage and file organization. Units are set in Document Settings or Preferences. Sketch creation begins by selecting a plane and using the Line tool, with origin-based starting ensuring automatic constraint application. Fusion 360 automatically applies geometric constraints (horizontal, vertical, perpendicular, coincident) based on drawing intent. Dimensional constraints define exact measurements using the Dimension tool. A fully constrained sketch appears black with a padlock icon, maintaining shape during modification. Under-constrained sketches remain blue with a pencil icon. Advanced constraints include Equal, Parallel, Perpendicular, Fix, Midpoint, Collinear, Symmetry, Concentric, Tangent, and Curvature for smooth curve transitions. Construction geometry (converted using X key) serves as reference without becoming part of the final model.

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How I use Sketch Constraints and Dimensions — Fusion 360 Tutorial — #LarsLive 113

How I use Sketch Constraints and Dimensions — Fusion 360 Tutorial — #LarsLive 113

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In Fusion 360 sketching, apply geometric constraints (such as horizontal, vertical, parallel, perpendicular, tangency, collinear, symmetry, and equal length) before adding dimensions to create fully defined sketches that are easier to edit and maintain; always start sketches at the origin, ensure arcs have tangency constraints, and use driven dimensions (in brackets) for reference measurements rather than driving dimensions when over-constraining occurs.

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Fusion 360 for 3D Printing LESSON 6: Understanding and Using Constraints in 2D Sketches

Fusion 360 for 3D Printing LESSON 6: Understanding and Using Constraints in 2D Sketches

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The battle for Fusion 360 is won or lost at the 2D sketch level. Most educational resources fail to explain the 2D sketch level and the mindset needed. Constraints will either be your worst nightmare or your best friend - if you don't understand them, Fusion 360 becomes a nightmare. Never use a dimension when you can use a constraint. Constraints are not about adding things that lock your sketch but about defining right relationships between related elements. When you draw around the origin, Fusion 360 puts hidden constraints that lock the center point. To move constrained objects, use the Move and Copy function. To create deliberate points, draw construction lines from the origin and dimension them deliberately. To lock points together, use coincident constraints. A sketch is fully constrained when Fusion 360 knows exactly what you want and where you want it. When drawing a rectangle: start at the origin, draw to a point, add dimensions (100 and 75), and the rectangle becomes fully constrained with coincident constraints at corners. Fusion 360 automatically applies horizontal and vertical constraints. There are many ways to fully constrain a sketch: horizontal/vertical constraints, perpendicular constraints, dimensions, and parallel constraints. To create a rectangle from four random lines: make opposite sides parallel (vertical and horizontal), then join corners using coincident constraints. Fusion 360 automatically adjusts dimensions to respect constraints. Tangent constraints create smooth transitions between shapes - when you make a line tangent to a circle, it touches at exactly one point, creating graceful surfaces impossible to achieve by freehand. Equal constraints make two lines the same length - the line without a dimension conforms to the one with a dimension. Parallel constraints make two lines have the same slope. Perpendicular constraints make two lines at 90 degrees. Never use fix/unfix constraints as they create nightmares.

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Como Usar o Fusion 360 GRÁTIS SEM PIRATARIA + Projeto BONUS!

Como Usar o Fusion 360 GRÁTIS SEM PIRATARIA + Projeto BONUS!

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After installation, customize the interface: change language to English for easier access to online resources; set Z-axis to point upward; enable 'Auto Hide Sketch on Feature Creation' to automatically hide sketches when creating features; enable 'Scale Entire Sketch at First Dimension' for automatic sketch scaling. Sketch constraints include: equal constraint (makes objects same size), tangent constraint (makes objects touch at a point), horizontal constraint (aligns objects horizontally), and center constraint (positions objects at reference axis center). These constraints maintain geometric relationships when dimensions change.

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Splines are overrated.. master sketch constraints instead! | Viewer Request #2 | Fusion 360 Tutorial

Splines are overrated.. master sketch constraints instead! | Viewer Request #2 | Fusion 360 Tutorial

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Fusion 360 has no inherent knowledge of where geometry should start. You must establish relationships to known points (origin or other geometry) or provide specific dimensions. Always start from the origin point for reference. Use coincident constraints to lock points at intersections, and horizontal/vertical constraints for orientation. Dimensions define length and size. When sketch elements turn black, they are fully defined; blue lines with white dots indicate underdefined geometry that can move unexpectedly. Aim for all elements to be black when leaving the sketch.

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Deep Dive

Fundamental 3D modeling concepts such as extruding sketches into bodies, applying fillets/chamfers, and utilizing the shell tool to hollow out shapes.

Autodesk Fusion Exercise Catics 3D01-01

Autodesk Fusion Exercise Catics 3D01-01

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This tutorial demonstrates how to create a 3D mechanical part in Autodesk Fusion 360 using three fundamental operations: Extrude (converting 2D sketches into 3D solids by pulling profiles along an axis), Fillet (rounding sharp edges with specified radii for improved ergonomics and stress distribution), and Shell (hollowing out solid bodies by removing interior material while maintaining wall thickness). The video shows creating a symmetrical profile with construction lines, arcs, and dimensions, then extruding it 15mm, adding cuts and fillets, and finally hollowing the part with 1.5mm wall thickness.

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Fusion 360 - Ep1 - première pièce (débutant)

Fusion 360 - Ep1 - première pièce (débutant)

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This tutorial demonstrates how to model a furniture leg in Fusion 360 by creating 2D sketches on reference planes, using extrusion to generate 3D forms, and applying functions like shell (for hollow interiors), extrude cut (for holes), circular pattern (for repeating features), fillet (for rounded edges), and chamfer (for angled edges) to create a complete 3D printable part.

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Fusion 360 Tutorial for Beginners - Exercise 49

Fusion 360 Tutorial for Beginners - Exercise 49

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This tutorial demonstrates four fundamental 3D modeling features in Fusion 360: the Extrude feature adds thickness to 2D sketches in the third dimension, the Extruded Cut feature removes material from a part, the Shell feature hollows out the inside of a solid to create a specified wall thickness, and the Fillet feature creates rounded internal or external faces on a part.

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E1 Creo Parametric 7.0 - Tutorial for Beginners

E1 Creo Parametric 7.0 - Tutorial for Beginners

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Round (fillet) creates rounded edges by selecting edges and specifying radius. Chamfer creates angled edges using distance-distance or angle-distance specifications. Shell removes material from selected faces to create walls of specified thickness (e.g., 0.06 = 60 thousandths). Hold Ctrl while selecting multiple faces to apply same thickness. Fillets go around corners continuously; chamfers stop at sharp edges.

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2.3.2 - Use loft to form the model body

2.3.2 - Use loft to form the model body

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This segment covers the foundational 3D modeling techniques used to create basic geometric forms. Extrusion converts 2D sketches into 3D objects by extending them perpendicularly, with height determined by reference dimensions. The Shell tool transforms solid objects into hollow forms by removing material from specified faces, with thickness controlled by inward or outward dragging. These operations form the basis for creating functional 3D components like sleeves that fit snugly around objects. The user demonstrates creating a basic sleeve for a power adapter by extruding a sketch to half the adapter's height (41mm) and then using Shell to create a hollow interior with precise wall thickness.

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Deep Dive

The physical layout and geometry of the Arduino Uno, specifically the placement of the USB port, power jack, header pins, and mounting holes.

Arduino uno basics explained for beginners introduction

Arduino uno basics explained for beginners introduction

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The Arduino Uno board layout includes: power connector (bottom left) for 7-12V DC input; USB port for power supply, software upload, and communication; reset button (top-left) to reset the microcontroller; power LED (right center) for power status; TX and RX LEDs indicating communication (transmitting and receiving); microcontroller (large black IC at bottom right); analog pins for analog input; digital pins for digital inputs/outputs or analog output with PWM symbol; ground, 5V, and refold pins for circuit voltage; and pin 13 LED pre-equipped with an LED. To set up Arduino IDE: download from official Arduino website, install the appropriate installer, connect Arduino via USB and allow driver installation, then configure Tools > Board to select 'Arduino Uno' and Tools > Port to select the correct serial port.

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20210105 Kupas Tuntas Arsitektur Arduino UNO

20210105 Kupas Tuntas Arsitektur Arduino UNO

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This section provides a comprehensive overview of Arduino Uno's physical architecture. The board measures approximately 6.8 cm by 5.33 cm and features a USB port for power and programming, a DC power socket, rows of pins, and a reset button. The architecture consists of three main pin categories: Digital I/O pins (0-13) for on/off control, Analog I/O pins (A0-A5) for reading continuous voltage values, and Power/Ground pins (V Input, Ground, 5V, 3.3V) for electrical supply. Additional pins include reset and I/O reference pins.

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🔧Arduino изнутри - разбираем схему и компоненты (ATmega328P). Уроки Arduino для начинающих

🔧Arduino изнутри - разбираем схему и компоненты (ATmega328P). Уроки Arduino для начинающих

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The Arduino Uno power system receives energy through two interfaces: USB (4-wire structure with 2 data and 2 power wires providing 5V) and external power jack (accepting 6-20V sources). The USB provides 5V that passes through a voltage regulator to 3.3V for sensitive components. A 500mA fuse protects against excessive current. The board uses a comparator to automatically select the highest available voltage source. Recommended operating voltage is 7-12V; voltages below 7V cause unstable 5V output, while voltages above 12V can overheat regulators. The 5V output pin provides regulated power for external components.

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Arduino Architecture, Pin Diagram and Advantages

Arduino Architecture, Pin Diagram and Advantages

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The Arduino Uno has 14 digital I/O pins (2-13), 6 analog input pins (A0-A5), 2 power pins (5V, 3.3V), 1 reset pin, 1 power jack, 1 USB connector, 1 ISP header, and 1 crystal oscillator (16 MHz). Each digital pin can provide or accept 40mA. Pins 0 and 1 are dedicated to serial communication (UART). Pins 2 and 3 are external interrupt pins. PWM output pins (3, 5, 6, 9, 10, 11) generate variable voltage signals. The board can be powered through USB, external adapter (7-12V converted to 5V), or battery. The built-in LED on pin 13 provides status indication.

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Building the Elegoo Smart Robot Car Part 1 - Arduino based robotics project

Building the Elegoo Smart Robot Car Part 1 - Arduino based robotics project

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The Arduino Uno mounts to the top chassis plate using three mounting points (one unused hole exists on the Uno board). Use the remaining screws, nuts, and spacers from the Uno/L298N package. Pass a nut through the chassis hole, add a spacer, then insert the Uno board. Due to connector placement on the Uno board, the third mounting hole is often unused in shielded designs. Align the shield's holes with the Uno's headers and snap it onto the Uno. The shield provides convenient access to all digital and analog pins plus power rails for adding additional components.

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Deep Dive

The concept of mechanical tolerances and clearance fits in 3D printing to ensure physical parts slide or snap together correctly.

Impression 3D: Guide des ajustements d’assemblage (de votre machine)

Impression 3D: Guide des ajustements d’assemblage (de votre machine)

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Understanding tolerances and fits is essential for successful 3D printing assembly. Tolerance defines the acceptable dimensional variation of a single piece, determined by manufacturing method and material—FDM printers typically have 0.3-0.5mm tolerances while CNC machining achieves 0.1mm precision. An adjustment (fit) describes the relationship between two mating pieces, which can be negative (interference fit), zero (transition fit), or positive (clearance fit). Clearance fit enables movement, interference fit creates rigid assemblies, and transition fit offers flexibility between the two extremes. The ISO 286-1 standard provides industrial-grade tolerance specifications using numerical-letter codes, though it's less applicable to 3D printing's inherent dimensional variations.

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4 Fusion 360 Paramètre & tolérance (Français, Québec)

4 Fusion 360 Paramètre & tolérance (Français, Québec)

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Tolerance represents the small error or precision measurement relative to a machine's accuracy, while clearance is intentionally added space between parts to ensure proper fit. In 3D printing, tolerance accounts for printer limitations, and clearance prevents parts from fusing together. Understanding these concepts is essential for designing parts that will assemble correctly. The video emphasizes that tolerance and clearance values depend on printer quality and calibration, requiring users to test their specific setup.

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¡Por qué tus piezas impresas en 3D NO encajan y cómo solucionarlo!

¡Por qué tus piezas impresas en 3D NO encajan y cómo solucionarlo!

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Tolerance is the critical gap between two 3D printed parts that allows them to fit together. Without tolerance, parts require excessive force to assemble. Two main approaches exist: adding tolerances during design in modeling software (professional method) or in slicer software (quick prototyping method). In Fusion 360, Method 1 uses sketch offset to create larger openings, while Method 2 uses the Press Pool tool to extend faces inward. For 3D printing, typical tolerances range from 0.1mm to 0.2mm. The Press Pool method is generally preferred as it allows batch application of tolerances across multiple surfaces simultaneously.

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Design Compliant Lids for Perfect Tolerance Every Time | Design for 3D Printing: Lids: Vol. 2

Design Compliant Lids for Perfect Tolerance Every Time | Design for 3D Printing: Lids: Vol. 2

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Instead of designing parts with fixed clearances and tolerances that break easily when materials or printers change, using 3D printing's capabilities to create latches, mechanisms, grip fins, and other features ensures parts always fit and behave as intended. This approach is essential for designing files for others to print or scaling production.

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4 Keys to Make Your 3D Printed Mechanisms Work First Time

4 Keys to Make Your 3D Printed Mechanisms Work First Time

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3D printing cannot achieve the micrometer-level accuracy of machining; instead, it builds parts layer by layer with inherent dimensional variability. To compensate, designers must leave gaps between interacting faces—typically 0.2mm as a baseline. However, gap sizing depends on print orientation: parallel-to-bed features are most accurate and strongest, allowing smaller gaps, while perpendicular orientations introduce layer line variability requiring larger tolerances. Overhanging features need even more clearance due to potential drooping. For simple parts, gaps as small as 0.075mm work; for complex overhangs, 0.4-0.5mm may be necessary. Moving parts require additional clearance for wear. Understanding these relationships between design intent and manufacturing reality is essential for functional 3D printed mechanisms.

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Sketching

Shelling

Creating Pins

Top Cover

Positioning

Cutouts

Pin Access

Refining

Pattern

Sketching

0:00

Playing Section

1
Create a sketch with overall dimensions and mounting holes for the Arduino Uno.
2
Offset the outline to provide clearance for a comfortable fit.
3
Set precise distances to ensure accurate component alignment.

Deep Dive

Mastering parametric design in Fusion 360, using user parameters to create adaptable enclosures that can easily resize for other development boards.

Episode 034: DIY Machine Enclosure using Fusion 360 User Parameters

Episode 034: DIY Machine Enclosure using Fusion 360 User Parameters

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This video demonstrates how to create reusable machine enclosure designs in Fusion 360 using user parameters, which allows designers to build flexible, customizable designs that can be easily modified and generate accurate material cutlists for manufacturing.

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Fusion 360 SHORT Tutorial For Beginners 003: UNIVERSAL DRAWER, sketch offset, shell, user parameter

Fusion 360 SHORT Tutorial For Beginners 003: UNIVERSAL DRAWER, sketch offset, shell, user parameter

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This final segment introduces parametric design principles through Fusion 360's user parameters feature. The tutorial demonstrates defining variables (width, depth, height, wall thickness, clearance) and replacing fixed numerical values with parameter expressions throughout the design. This approach enables automatic updates across all dependent dimensions when parameter values change, allowing rapid iteration between different sizes (e.g., 200x200x60mm to 150x150x35mm) without redesigning from scratch. The segment emphasizes that establishing parameters before finalizing designs significantly improves efficiency, as changes propagate automatically through the entire model hierarchy.

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Learn Fusion 360 or Die Trying LESSON 5: Understanding Parametric Design and Modeling

Learn Fusion 360 or Die Trying LESSON 5: Understanding Parametric Design and Modeling

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Parametric design in Fusion 360 involves using variables (parameters) instead of fixed dimensions to create models that are easy to customize while maintaining design intent and ensuring components always fit together correctly; this approach requires being deliberate about dimensions, position, constraints, and parameters at the sketch level so that when you change one parameter, all related features update automatically while preserving the model's functionality.

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Creating User Parameters in Fusion 360 - Handy!

Creating User Parameters in Fusion 360 - Handy!

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Fusion 360 is a parametric modeling software where designs can be modified by changing parameters, and the entire model updates automatically. There are two types of parameters: model parameters (automatically generated by the software during sketching and feature creation) and user parameters (manually created by designers with custom names, units, and values). User parameters offer greater control for complex designs. To create a user parameter, navigate to Modify > Change Parameters and define a name, unit, and value. When editing sketches or features, instead of entering fixed numerical values, enter the parameter label. Changing the parameter value in the table updates all associated dimensions simultaneously, eliminating the need to modify each feature individually.

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Tutorial FUSION 360 Intermediário 01 - Peças Paramétricas

Tutorial FUSION 360 Intermediário 01 - Peças Paramétricas

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Parametric design in Fusion 360 enables automatic model updates when parameters change. Users create named parameters (e.g., 'comprimento') that control dimensions, and linked parameters using formulas (e.g., 'comprimento / 2'). When parameter values change, all dependent dimensions and projections update automatically. This approach eliminates the need to redraw components manually, allowing designers to create scalable, adaptable models where a single parameter change affects the entire design.

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Deep Dive

Designing advanced closure and fastening mechanisms, such as snap-fit joints, sliding lids, and modeled threads for screws or brass inserts.

3d Printed Box with Locking Lid Fusion 360 Tutorial - Print in Place Box Design

3d Printed Box with Locking Lid Fusion 360 Tutorial - Print in Place Box Design

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This extended process creates secure, self-closing lids using interlocking snap-fit mechanisms. Design the clasp on the front plane with 20x16mm dimensions, centering it with midpoint constraints. Create complementary tabs (8x4mm) on the backside with 1.5mm extrusion and chamfers. Duplicate this design on the opposite side to create matching slots. Fine-tune dimensions (1.4mm instead of 1.5mm) to achieve appropriate tightness. Use section analysis to verify that tabs fit into slots with minimal clearance (approximately 0.04mm). This integrated approach produces a fully functional box that opens, closes, and locks securely without additional fasteners.

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Ender 3 V2 Designing Simple Clips in OnShape to Fasten Down Belkin Surge Protectors

Ender 3 V2 Designing Simple Clips in OnShape to Fasten Down Belkin Surge Protectors

749

This video demonstrates how to design and manufacture functional snap-fit fastening mechanisms using CAD software (OnShape) and 3D printing, showing the complete workflow from sketching and extrusion to adding fillets and chamfers, proper part orientation for printing strength, and testing the final product for secure mounting and easy release functionality.

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Solidworks tutorial | sketch Brass fitting in Solidworks

Solidworks tutorial | sketch Brass fitting in Solidworks

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This tutorial demonstrates how to design a brass fitting (M16x1.5-M10x0.75mm) in SolidWorks by creating a hexagonal base with polygon tool, adding extruded bosses and cuts, creating internal features with revolve cut, and generating threaded features using helix and spiral tools with sweep cut, then applying material appearance.

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Simple "bump and hole" snap fit lid in Fusion 360.

Simple "bump and hole" snap fit lid in Fusion 360.

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A snap-fit lid is created by extruding a lid base 2mm up, then adding a 2.1mm offset insert extruded 4mm down to create the snap mechanism, with matching 2mm dimples on the box and corresponding holes in the lid that allow the lid to snap securely into place without hinges.

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FreeCAD 1.0 | Simple Box & Snap-Fit Lid | Shape Binders | Basic Beginners FreeCAD Lesson 31 Project

FreeCAD 1.0 | Simple Box & Snap-Fit Lid | Shape Binders | Basic Beginners FreeCAD Lesson 31 Project

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This extensive segment demonstrates the complete process of constructing the lid body and assembling the snap fit mechanism. The instructor creates a new lid body and references the container's geometry through shape binders, adjusting offsets to create clearance (0.5mm) and changing join types for straight edges. The process involves applying pad operations with two-dimensional extrusion to create the lid base, adding outward thickness (2mm), and creating matching snap fit pockets and protrusions by referencing the container's features. The segment concludes with mirroring multiple features across the XZ plane and using transparency and persistent section cuts to verify the assembly fit, adjusting pad lengths to create appropriate tolerances (0.5mm) for functional snap fit operation.

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Deep Dive

Integrating thermal management into electronics enclosures, including passive ventilation grilles and active cooling fan mounts.

Alim de Labo pour 75€ ! #RD6006

Alim de Labo pour 75€ ! #RD6006

60.7K

Proper thermal management is essential for electronic enclosures, especially for power supplies that generate heat during operation. Key design elements include: (1) Air circulation paths - creating channels that allow cool air to enter through front or side vents and hot air to exit through rear or top vents; (2) Ventilation openings - strategically placing holes or grilles to facilitate airflow without compromising enclosure integrity; (3) Optional cooling fans - adding small fans (such as 40mm units) to actively move air through the enclosure; (4) Temperature monitoring - using built-in temperature sensors to track internal temperatures and ensure safe operating conditions.

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T250 - The World's Fastest 3D Printer

T250 - The World's Fastest 3D Printer

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The electronics bay includes a dedicated air tunnel actively cooled by two 60mm fans moving air across the PCB and stepper drivers, keeping both cool under full load. Bridges and fingers for zip ties make cable management easy and the system service-friendly. This demonstrates the importance of airflow routing and thermal management in enclosed electronic enclosures to prevent overheating and ensure reliable operation.

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Zusätzliche Belüftung für meinen Technikschrank nachrüsten.

Zusätzliche Belüftung für meinen Technikschrank nachrüsten.

32.1K

Electronic enclosures require systematic thermal management due to heat generation from components. Key principles include: (1) Warm air rises, creating natural stratification where bottom air is 2-3°C cooler than top air; (2) Temperature monitoring systems using analog sensors trigger cooling when thresholds are exceeded; (3) Passive ventilation through shelf gaps (2-5mm) and door clearances (2-3cm) provides baseline airflow; (4) Active cooling with 230V fans draws cool air from below and expels warm air from above. Without proper management, temperatures can reach 35-40°C, damaging sensitive electronics. Effective solutions combine passive design with automated active cooling to maintain optimal operating ranges of 25-27°C.

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Schematic to PCB Design: Passing the Baton Like a Champion - Seeley, Schattke, Mazur

Schematic to PCB Design: Passing the Baton Like a Champion - Seeley, Schattke, Mazur

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Thermal management should be discussed early, not deferred to the end. Options include active cooling (fans, fluid cooling) and passive cooling (heat sinks, thermal clad substrates). Active cooling requires fixtures with fluid passages—hot parts should be on the bottom side. Passive cooling relies on convection, so components should be arranged to capitalize on natural airflow. The end-use environment (room temperature, desert, sub-zero) significantly impacts thermal design.

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lec17 Thermal management 2

lec17 Thermal management 2

412

Effective thermal management in electronic enclosures requires understanding airflow dynamics, plenum design, and component placement to ensure proper heat dissipation; key principles include maintaining approximately 20% open area for airflow in large cabinets, implementing push-pull ventilation configurations over simple exhaust systems, controlling humidity to prevent condensation, and validating thermal designs through CFD analysis and physical prototyping before deployment.

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Deep Dive

Applying Design for Manufacturing (DFM) rules to optimize 3D prints, focusing on minimizing support structures, printing orientation, and wall thickness.

Sharepair | 3D Printing for Repair Guidance | 6. From Redesign to Manufacture

Sharepair | 3D Printing for Repair Guidance | 6. From Redesign to Manufacture

202

Design for Additive Manufacturing optimizes parts specifically for 3D printing through strategic decisions: reducing material usage including support structures, maximizing yield by minimizing time and quantity per bed, and optimizing shape through amalgamation or generative design. Critical design rules include: nozzle diameter limits minimum feature size (0.4mm nozzle requires 0.4mm minimum features); wall thicknesses should be multiples of nozzle diameter; structural parts need thicker walls for strength; increasing infill doesn't guarantee strength improvements; and layer orientation must align with applied forces. Support structures are inefficient and should be minimized by keeping angles below 45 degrees. Complex geometries like T-shapes require excessive support, making alternative orientations or component splitting preferable. Hole design presents particular challenges as FDM struggles with vertical holes—teardrop or diamond shapes with gradual 45-degree angles provide better dimensional accuracy than circular holes requiring support.

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3d Printing- How to Orient Your Prints for Less Support

3d Printing- How to Orient Your Prints for Less Support

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To minimize support structures and optimize printing efficiency in FDM 3D printing, orient parts so that surfaces are at angles rather than parallel to the build plate, as angled surfaces allow each new layer to rest on the previous layer without requiring support; conversely, surfaces parallel to the build plate will require support structures since there is nothing beneath them for the printer to lay plastic upon.

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Part1 The Basics of FDM printing

Part1 The Basics of FDM printing

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In FDM (Fused Deposition Modeling) printing, part orientation significantly impacts print speed, surface quality, and mechanical strength: minimizing Z-height reduces print time by decreasing layer count, curved surfaces should be oriented parallel to the Z-axis to minimize stair-stepping effects on surface quality, and parts are anisotropic with weaker interlayer bonds in the Z-direction affecting strength; additionally, wall thickness depends on slice height and tool path width, with recommended minimum wall thickness being four times the slice height (two tool paths), and consistent wall thickness throughout the part is essential for structural integrity.

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On-Demand Webinar: Designing for 3D Printing

On-Demand Webinar: Designing for 3D Printing

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Part orientation significantly impacts print quality, strength, and support requirements. Since 3D printing is bottom-up, orientation determines which features are printed in their strongest orientation (XY plane) versus weakest (Z-axis). Materials are anisotropic, with different strength in different directions. Critical features like snap-fit pins should be oriented in XY plane for maximum strength. Support structures serve three functions: fixturing first layers, preventing sagging of overhangs, and anchoring metal layers during cooling. Designing parts to minimize support requirements through proper orientation and geometry is crucial for production efficiency. Rounded surfaces and angles help create self-supporting features. Minimum wall thickness is critical: supported walls can be as thin as 0.2mm in photopolymer processes, while unsupported walls require 1.2-2.5mm thickness. The 0.6-1mm range applies to self-supporting features.

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Build a Mute Button for DISCORD

Build a Mute Button for DISCORD

9.4K

For optimal 3D printing results: 1) Print parts face-down on the build plate, 2) Add automatic supports in slicing software (especially for holes and overhangs), 3) Supports are easily removable after printing. Printing face-down helps prevent warping and improves surface quality. Supports keep thin walls from sagging during printing and ensure dimensional accuracy.

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Sketching

Shelling

Creating Pins

Top Cover

Positioning

Cutouts

Pin Access

Refining

Pattern

Sketching

0:00

Playing Section

1
Create a sketch with overall dimensions and mounting holes for the Arduino Uno.
2
Offset the outline to provide clearance for a comfortable fit.
3
Set precise distances to ensure accurate component alignment.

677.3K views15.6K18:14@adskFusionOriginal Release: 2015-02-23

This video demonstrates the complete workflow for designing a 3D printed enclosure for an Arduino Uno using Fusion 360, covering key steps including creating reference sketches from dimension drawings, using offset tools for clearance, extruding profiles for the main body, applying shell operations for wall thickness, creating mounting pins and standoffs for secure assembly, projecting geometry for accurate cutouts, and using patterns for ventilation grills, while emphasizing the importance of verifying dimensions and adding chamfers for smooth assembly.

[00:00:00]hey everyone in this Fusion 360 video I'm going to be teaching you how to design an enclosure for an uino Uno and I'm going to be recording myself along the way just so you can see how fast it is see my thought process throughout um see the mistakes that I know I'm going to make and how I fix those mistakes and hopefully learn uh a thing or two along the way so let's get started by creating a blank design and I'm going to start off by creating a sketch that really drives most of my design for this enclosure so I'll start by making a two-point rectangle so under sketch I'll choose twoo rectangle and I'm referencing some Dimension drawings that I have I can include a link to them in the description at the bottom of this video uh they're actually really handy and I think better than other dimension drawings that I could find so I'm going to start by modeling just the outside shape of my Arduino followed by some holes and I'm going to make these 2.8 mm in diameter um if you're familiar with Arduino you know that the mounting holes are actually 3.2 mm so why am I making these 2.8 well that's how big the mounting hole is and I'm actually going to be modeling some pins that are going to slide through those mounting holes and I don't want them to you know struggle to fit through there I want there to be a clean fit between them but uh some nice friction so I'm going to go for 2.8 and now using that same dimension drawing I can Dimension these relative to my Arduino so I'm going to Dimension that distance from there to here to be 2.5 and again this is all under sketch and sketch Dimension and now I'm going to Dimension the distance from that Center Point to here and that's 14 and I'm going to repeat the command and dimension there to here and that is actually 15.3 I made the mistake of thinking that that's 14 as well it's not I made an enclosure that didn't fit so make sure those are different distances and I will set the distance from here to here to be 50.7 and I'm going to go ahead and do the same thing for these so this one this distance is going to be 35.5 and it is best practice to Dimension from uh two common edges it makes it a little bit cleaner and this one is 7.6 and lastly we have a few more Dimensions here to here is going to be 66.1 and this one is actually vertical from the other one so this is 66.1 as well so now I have the holes dimensioned up uh I'm going to be building the enclosure around my uino and I want it to have a little bit of wiggle room I don't want it to have to fit perfectly within the enclosure so I'm going to use the offset tool to offset this out by just 1 mm give me a little bit of space uh and now I'll select these edges by shift selecting them right click and choose normal SL construction to make them some construction lines I'll click stop sketch and now I can choose extrude and I can extrude these profiles up so let me select these profiles and this is just really the main form of my enclosure I'm going to go with 22 mm tall and there we have it uh the next thing I'm going to do is actually shell out my body so let me go ahead and choose shell and what body do I want to Shell well it's the one I just created so I'll click that how thick if I make it 1.6 mm uh it'll actually just take two layers or two shells rather of a 3D print with A4 mm nozzle it's two shells and I want a shell outside so I'll click okay and now I want to split this in half so I'm going to create a construction plane that's a mid plane between the top and the bottom half and now that will adjust to what ever size box I have so let me go ahead and split the body with that plane and now I have a top and a bottom half and I can turn off my construction plane and that looks a little thin I might have messed up the shell so let me right click on the shell command and choose edit and what do you know I did so I'll make that 1.6 not one and outside because I don't want to kind of swallow up any of the Arduino I want to create a shell outside of it so now I have my proper shell that way now I'm going to turn the visibility of my sketch back on and I'm going to extrude these circles that I drew to create those mounting pins that are going to go through the mounting holes of my Arduino I'm going to extrude them up and I know to this surface it's going to be 11 which is half a 22 but I really want them to extend further so that they can actually snap with the top part of this enclosure and hold it all in place so I'm going to extrude 4 mm past this top surface and there we go go the last step I have is to create some standoffs so I'm going to create a sketch on this bottom face and I'm going to draw in some standoffs and standoffs really help support the uino bring it to a certain height um I'm going to make them let's see 4 mm in diameter and this is because the Arduino doesn't lay perfectly flat on the bottom of the PCB um you have a bunch of extra metal and solder on the underneath side from all the connections um so you don't really want to place it on the bottom of your enclosure cuz it's hard for it to stay flat and hard to position all your holes for all your inputs and outputs um so by using these standoffs you allow yourself to kind of raise it off the bottom floor of your enclosure and really accurately create some cutouts so now I'm going to extrude these profiles up and if you just take some measurements of an arduin you'll see that you know if you do about 4 mm that should be enough uh looks like I selected the wrong profile here so if I hold command I can deselect that one in change it to that outer profile and 4 mm should be enough and there we have it um The Next Step that I have is to create some receiving Parts on the top half of this box um I actually noticed that I forgot to add some fillets here so it doesn't look too nice and I've already shelled it so if I filled the outside here I'd lose that uniform wall thickness which would be pretty messy so I'm going to drag my cursor or my timeline behind that shell command and and now I'm going to apply a fillet here uh that way I keep that nice uniform wall thickness and you'll see I don't have to undo anything I can just add uh fill it maybe I'll make it three hit enter and I'll hit this button to run to the end of my timeline and I can hide the top or the bottom and you'll see we have that uniform wall thickness so now what I'm going to do is create a sketch on this face and what I want to do is project in the pins that I already have I want to be able to reference them so I'll choose project and I'll choose that surface along with this surface this one and this one I'll hide that body and now I have those profiles and I'm going to select them um let me hide that body select those projected lines and I'm just going to make them construction lines I don't want them to get in the way of any profiles so now they're just there for reference and now I'll make the whole for what those pins go into and I'm going to make this a 3.2 mm Hole uh if you remember my mounting pins were 2.8 so I you know I you can learn the hard way that if you make the mounting holes 2.8 as well it's not going to fit in there you're going to have a hard time uh snapping this lid together so I'm going to give it a little bit of clearance so that everything fits nicely and now I'm going to make this 5.2 that way these uh receiving portions are actually 1 mm thick uh around in radius or offsetting the diameter by 2 mm so 5.2 and I'll do the same over here 5.2 I'll click stop sketch and I'll turn on the top part of my enclosure I'll extrude these profiles and how far do I want to extrude well it's 11 to this top part and I know I have 4 mm of overlap from the pins I may want to offset this maybe just make it 10 mm so they're slightly lower than where this is splitting just to keep things clean and I still have 3 mm of intersection between them now if I come over here one quick thing I'm going to do is add a small champer um I like like these to kind of ease into the slot so I'm going to choose champer and chamfer off the top of these pins so that we can gradually push them in and if I do A4 mm champer that'll be nice um it's a factor of my layer height which is 2 mm so it should create that Cham for no problem uh the next step I have is bringing in an Arduino so I went ahead and downloaded this online I imported it to my project and now I can right click and choose insert so let me bring in this Arduino and there it is and I'll click okay I'll close the data panel and I'll quickly create some components out of the bodies that way I can actually create an assembly so I'll right click and choose create components and now you can see I move the parts all over the place so I'll right click or actually click and rename this to be enclosure bottom and this one enclosure top and I'll right click on the bottom and choose ground so it doesn't go anywhere and now I can apply a joint so which uh pieces of geometry do I want to align well let's align the bottom of this hole to how about the top of this standoff right here so let me orbit around and how about like that so now you'll see that it brings those two pieces of geometry together I have a rigid joint and let's look at it from the top everything looks great so I'll click okay and now I can add one more joint to place the lid on here so I'll choose joint and let's just align that with uh let's see here if I zoom in let's see if that worked oops let me try it one more time repeat joint and let's go with that point and that point there we go and I'll do rigid I could do slider to kind of animate it moving up and down but I'll leave this at rigid and I can do some animations later so there we have it we have the top and bottom in place we have an uina in there and it looks great a few things we need to do are make some cutouts so I'm going to create an offset plane on this surface and then I'm going to create a sketch on that offset plane and the reason I didn't sketch on this face is I didn't want to bring in this geometry necessarily I just wanted a clean sketch on that face without bringing it in so that's a little bit of a a tip right there and now what I'm going to do is project in some geometry from the uino so how about this port right here and now I can start importing in or projecting in some of these edges that I'd like so how about just the Outer Perimeter it's not registering it as a loop so I'm just going to have to click these edges myself not too bad and one more over here I'll click okay and if I hide the Arduino you'll see that we have those profiles and I'm going to make this one a construction line again so I have some cleaner profiles and I want to offset this slightly because this is the exact size of the uh the components that are sticking out of my Arduino and if they're slightly bigger smaller at a different angle I want this to still fit so I'm going to choose offset and offset by maybe just half a millimeter outside give myself a little bit of wiggle room and offset this half a millimeter as well I'll choose stop sketch and now I can extrude those two profiles so let me click on both of those and if I go in I'll make a cut and I want this to be dynamic I want it to adjust to the thickness of my Arduino so so instead of just extruding them blindly some random amount I'll say extrude them to this inner surface and now when my wall thickness changes so will that Extrusion and before I click okay I'll make sure that my top enclosure component is visible as well so it cuts through that component just like that and if I turn my Arduino visibility on now you'll see it poking through uh you might be wondering you know why are you making an enclosure for this if right now we can't actually access the pins in my Arduino so it's pretty hard to prototype with this we'd have to take the top off and that's a little bit of a pain so what I want to do is make some cutouts on this top surface so that I can access those pins so let me hide the actually I don't need to hide anything let me just project in some of that geometry from the Arduino and I don't want to project in all of this mess I just want to project in how about that corner and this corner and then this one and this one and I'll click okay hide the Arduino and now what I can do oops I guess I messed that up let me try it one more time project and give me this corner there we go now what I can do is just draw some two-point rectangles to kind of snag that geometry so I'll click here and here and here and there just like that and if you'll see right now it matches up perfectly again I might want to give myself a little bit of wiggle room so how about if I do an offset of uh.5 mm and I'll do it again over here.5 mm and I'll click stop sketch turn on the top and I will now extrude again so I'll choose extrude these two profiles and I will again do an extrude two and I want to extrude to this inner surface oops looks like I selected some profiles let me deselect those and try it one more time this profile and holding command let me click that one and this one and this one there we go so now I have that Extrusion I have access to my Arduino pins and everything looks pretty good uh I could print this out and it's a working enclosure but I want to make it look a little bit nicer so how about I add some chamers to the top and the bottom and again I'm just going to do a factor of my layer height which is 2 mm so 6 works pretty well and then if I look at it from the top I don't really need all of this closed off area doesn't look super nice and I want to add something little bit more artistic so how about I create a sketch on this top face and I'm going to draw a line here from this corner to this corner so that's from one hole to the other and I could draw another line from this corner to this corner but I don't really like the way it Blends in with these curves here so I'm actually going to use the spline tool and draw a spline from this corner to this corner and then I'll move these handles around to make it tangent so I'll click on the line and move the handle to that corner and there we have it so now I want to create this sort of Grill pattern uh and to do that I'm just going to draw a line or actually first I'll draw a construction line that goes all the way down at a 90° angle I'll left click and select it and right click and turn it into a construction line and now I'll draw one sort of arbitrary line that goes perpendicular between those and this is how I like doing it just making it arbitrary and then dimensioning it to make sure it's where I want it and if I have these 3.5 mm openings I can do a quick measure actually to make sure they are 3.5 let's see and let's try that restart the selection here to here 3.5 mm and end to end we have 52 millim there we go I can know that if I have a certain number of these openings I can calculate the space in between so I believe when I did this last time I wrote it down if I had nine openings and eight full spacers in between and I wrote down the uh the width of that spacer to be 25625 millimeters you can do the math on that I think that's right um and what I'm actually going to do is now instead of drawing these lines at that spacing at 2.65 then at 3.5 I'm just going to use a pattern so I'll just do a rectangular pattern this object and this object in this direction and now how far do we want to do it what's the extent of this pattern and really I want it to end up here but what's this exact value well it has something to do with those three numbers I mentioned so it starts with 52 and then we can subtract the distance for two of these 3.5 openings which is seven and you can see you can just start typing in some numbers here to make sense and then let's lastly subtract that 2.56 25 that we have up at the top here and now you'll see it ends perfectly and how many of these do we want we're going to have eight of them like I mentioned and I'll click okay and I'll do a quick measure to make sure that this is still 3.5 and that any one of these small ones is still 2563 but we'll add another decimal and there's 625 so I'll click stop sketch I'll choose extrude I'll select these bigger profiles that I'd like to cut out and I'll just hide the Arduino in the bottom and I'll say extrude two that way if I change the thickness it will update I'll click okay and now I've made that nice looking cut out so I can turn on the Arduino and the bottom and there we have it so that's how we can Model A Arduino Uno enclosure I think we did that in about 20 minutes um if you like this video give it a thumbs up if you have any questions feel free to leave them in the comment section below and let me know do you like these kind of videos do you like seeing uh my thought process as I go through these problems and make mistakes and fix those problems throughout and if you want to reach out to me directly you can tweet me at Taylor Stein and as always thanks for watching

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