[OpenSCAD] Gear looks weird

Rainer Glaschick raigl at g-pb.de
Mon May 11 07:01:44 EDT 2015

Using the code
> include <MCAD/gears.scad>
> gear(number_of_teeth=10,circular_pitch=200);
I get the picture as enclosed, where the teeth do no show a nice curve, and even seem to be larger at the tip than at the bottom.
What did I make wrong? Shouldn't it look like the involute at Wikipedia, i.e. like   


Rainer Glaschick, Paderborn, Germany

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