Parametric Belt Spiral Layout

by jag, published

Parametric Belt Spiral Layout by jag Jun 21, 2013
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Since the latest version of openscad has recursion. I had to try it out.
Last time when I was doing a layout for this belt, I wished I had recursion so I could easily do a spiral.
Well, now I can.

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How big is this in the default .stl file? Most importantly, what waist/pants size does it fit by default?

This is awesome! Nice math.

Thanks! I was having trouble figuring out the angle and stumbled on the solution before I got around to deriving it. Makes for a much simpler script than the other layouts. Great for a rostock with a round build platform. It takes forever to compile though.

This is what I originally wanted to do, but couldn't given openscad's limitations. Time to upgrade my OpenSCAD!

Definitely. It colors the code now and it can do tapered linear_extrude