How to Design a Spur Gear in Fusion 360 – Step-by-Step Tutorial Introduction

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  How to Design a Spur Gear in Fusion 360 – Step-by-Step Tutorial Learn how to design a  spur gear in Fusion 360  with this step-by-step guide! Perfect for  beginners & pros Master gear parameters, 3D modeling, and CAD design. Watch the video tutorial ! Introduction Spur gears are one of the most common types of gears used in mechanical systems, from simple machines to advanced robotics. If you're looking to  design a spur gear in Fusion 360 , this step-by-step guide will walk you through the entire process, whether you're a  beginner or an experienced CAD user . By the end of this tutorial, you'll be able to: ✔  Understand spur gear parameters  (module, teeth count, pressure angle) ✔  Sketch and model a gear  in Fusion 360 ✔  Create a 3D-printable or machinable gear ✔  Use parametric design  for easy modifications This guide is perfect for  mechanical engineers, hobbyists, 3D printing enthusiasts, and CAD designe...

Fusion 360 Tutorial for Beginners: Exercise 6 – Mastering Sketch, Patterns, and Analysis Tools

 Fusion 360 Tutorial for Beginners: Exercise 6 – Mastering Sketch, Patterns, and Analysis Tools

By MecDesign Hub



Step-by-step Fusion 360 Exercise 6 tutorial for beginners! Learn Sketch, Extrude, Rectangular Pattern, Rib, Mirror, Chamfer, Fillet, Rendering & Section Analysis.


Introduction

Welcome to Exercise 6 of our Fusion 360 Beginner Tutorial Series! In this guide, we’ll create a 3D model using essential tools like Extrude, Rectangular Pattern, Rib, Mirror, Chamfer, Fillet, and Section Analysis.

This tutorial is perfect for beginners who want to:
✔ Improve sketching and parametric modeling skills
✔ Learn efficient pattern duplication with Rectangular Pattern
✔ Use the Rib tool for structural reinforcement
✔ Apply Mirror for symmetrical designs
✔ Enhance models with Chamfers & Fillets
✔ Generate realistic renders and section views for technical analysis


Get Your Copy 200 CAD Exercises 


200 CAD Exercises



Step 1: Setting Up the Base Sketch

We’ll start by creating a 2D sketch defining our model's core shape.

Key Sketch Tools Used:

  • Line, Rectangle, Circle (for base geometry)

  • Constraints (to maintain design intent)

  • Dimensions (for precise control)

Pro Tip: Use fully constrained sketches to avoid errors during extrusion.



Step 2: Extruding the Base Feature

  1. Select the Extrude tool.

  2. Choose the sketch profile.

  3. Define the distance (e.g., 10mm).

  4. Use "New Body" if creating a separate component.



Step 3: Adding Features with Rectangular Pattern

Instead of manually duplicating features, we’ll use Rectangular Pattern:

  1. Select the feature (e.g., a hole or protrusion).

  2. Set the direction (X/Y axis).

  3. Define quantity and spacing.

Why? Saves time and ensures consistency.



Step 4: Reinforcing with the Rib Tool

The Rib tool adds structural support between walls.

  1. Sketch a line where reinforcement is needed.

  2. Use the Rib command.

  3. Adjust thickness and direction.



Step 5: Mirroring Features for Symmetry

  1. Select the feature(s) to duplicate.

  2. Choose a mirror plane (midplane or custom plane).

  3. Apply Mirror to create identical geometry.



Step 6: Smoothing Edges (Chamfer & Fillet)

  • Chamfer: Bevels sharp edges (e.g., 45° angle).

  • Fillet: Rounds edges for a polished look.

Design Tip: Use Fillets last to avoid modeling errors.



Step 7: Rendering for Presentation

  1. Switch to the Render Workspace.

  2. Apply materials (metal, plastic, etc.).

  3. Adjust lighting & environment.

  4. Export high-quality images.



Step 8: Section Analysis for Technical Review

  1. Use the Section Analysis tool.

  2. Cut the model along a plane (X/Y/Z).

  3. Inspect internal features for design validation.



Watch the Full Video Tutorial


Download Exercise Files

Fusion 360 Tutorial Exercise No. 6 | for beginners!



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