Here is a video:
The main idea here is to create a helix and rotate it around a circular path
https://github.com/sprabhakar2006/openSCAD/blob/main/videos/extrude_wave2path.mp4
Here is a video:
The main idea here is to create a helix and rotate it around a circular path
https://github.com/sprabhakar2006/openSCAD/blob/main/videos/extrude_wave2path.mp4