FreeCAD Tutorial: Model a Rotary Indicator Knob | Potentiometer Knob for 3D Printing
In this FreeCAD Intermediate Tutorial, we’ll model a Rotary Indicator Knob—ideal for use as a potentiometer knob or any mechanical interface component.
This step-by-step tutorial is perfect for intermediate FreeCAD users looking to master multi-body design, constraints, fillets, and additive pipe tools. We also cover techniques to make the model 3D printable and modular, including a separate indicator strip.
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📌 What you’ll learn:
How to simplify and model a complex rotary knob
Using the Part Design Workbench in FreeCAD
Sketching, filleting, pocketing, and additive pipe tool
Preparing the knob for 3D printing
Creating a separate indicator body for two-color prints
🔧 Ideal for:
FreeCAD hobbyists & intermediate learners
Makers building custom potentiometer knobs or control interfaces
3D printing enthusiasts and electronics tinkerers
🎁 Download the step-by-step PDF guide: https://drive.google.com/file/d/1V9UB...
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