Scale Along a Helix in FreeCAD @JokoEngineeringhelp
Scale Along a Helix in FreeCAD  @JokoEngineeringhelp
Uploaded January 2026 | Updated September 2026, 1 hour ago
A user asked about how to do a helical sweep where the swept profile scales as it moves up the helix. This is the method I have used for a while, and I also would like to highlight the work of Bugman who already has similar work. Here are some of Bugmans videos:

Helical Convex Spring (Bugman):
youtube.com/watch?v=ROVwrpKeCEs

Helical Star Spring (Mentioned at 12:27, Bugman):
youtube.com/watch?v=BdZpoaBsMk0

Circular to Square Spring (Bugman):
youtube.com/watch?v=Y716n_Xe-CM

Spring with Diameter Variation (Bugman):
youtube.com/watch?v=u6D3sGkYLOo

Bugman has great work, be sure to like and subscribe.

In this video, I show a technique to have a body from the part workbench implemented into part design. More detail on that here (Same idea, different lengths):

youtube.com/shorts/gZ2GNeXVka0
youtube.com/watch?v=wLDpvN1gWJo
youtube.com/watch?v=geRQkzO9teo


Idea for a video?

jokoengineeringhelp@gmail.com
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Scale Along a Helix in FreeCAD

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