KevsRobots Learning Platform
By Kevin McAleer, 5 Minutes
You’ve just completed something remarkable: designing a real, functional robot chassis from scratch using professional CAD tools. This isn’t a simplified toy project - you’ve used the same techniques that professional engineers use every day.
Let’s review your journey and look at where these skills can take you next.
You designed a complete robot chassis featuring:
| Feature | FreeCAD Skill | Real-World Application |
|---|---|---|
| Parametric base | Constrained sketching | Any part that might need dimension changes |
| Hollow interior | Shell operation | Enclosures, housings, containers |
| Rounded edges | Fillet | Anywhere strength and comfort matter |
| Side profiles | Pocket through-all | Windows, vents, weight reduction |
| Arduino mounting | Mirror tool | Any symmetric feature |
| Wheel stubs | Revolve | Shafts, knobs, cylindrical features |
| Motor holders | Multiple sketches | Complex assemblies |
Throughout this course, you learned:
Sketching Fundamentals
3D Operations
Professional Techniques
You now have a mental toolkit for approaching any design:
1. Understand the problem
↓
2. Sketch on paper first
↓
3. Identify key dimensions
↓
4. Build up from simple shapes
↓
5. Add features progressively
↓
6. Export and manufacture
| If you need to… | Use… |
|---|---|
| Create a basic shape | Pad (extrude) |
| Remove material | |
| Make it hollow | Shell/Thickness |
| Smooth edges | Fillet |
| Create round parts | Revolve |
| Duplicate symmetrically | Mirror |
| Repeat around a center | Polar Pattern |
Now that you have the base, consider designing:
Features we didn’t cover but are worth exploring:
| Feature | What It Does | Use Case |
|---|---|---|
| Loft | Blend between two shapes | Organic forms, transitions |
| Sweep | Extrude along a path | Handles, tubes, wires |
| Boolean | Combine/subtract bodies | Complex assemblies |
| Assembly workbench | Combine multiple parts | Full robot design |
| FEM workbench | Stress analysis | Ensure parts won’t break |
Apply your skills to:
FreeCAD Official
SMARS Community
CAD Skills
Everything you learned applies to other CAD software:
| FreeCAD Term | Fusion 360 | SolidWorks | Onshape |
|---|---|---|---|
| Pad | Extrude | Boss-Extrude | Extrude |
| Extrude (cut) | Cut-Extrude | Extrude (remove) | |
| Thickness | Shell | Shell | Shell |
| Fillet | Fillet | Fillet | Fillet |
| Revolve | Revolve | Revolve | Revolve |
| Mirror | Mirror | Mirror | Mirror |
The concepts are universal - only the button names change!
Patience - CAD takes practice. Your 10th design will be much faster than your 1st.
Planning - Sketch on paper before touching the computer. Think about what operations you’ll need.
Iteration - Your first design won’t be perfect. That’s okay. Design, print, test, improve.
Curiosity - Take apart objects. Look at how things are made. Ask “how would I design this?”
You’re no longer just a consumer of products - you’re a creator. When you see a problem, you can now think: “I could design something to fix that.”
That’s powerful.
Keep this handy for your next project:
C - Coincident constraintCtrl+S - SaveCtrl+Z - UndoF - Focus on selectionThank you for completing this course. You’ve invested your time in learning a valuable skill that will serve you for years to come.
Now go build something amazing!
Built your SMARS? Share it!
Happy making!
You can use the arrows ← → on your keyboard to navigate between lessons.
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