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FT_elliptical_gear

FT_elliptical_gear

thingiverse

Here is an oval gearwheel that fits Fischertechnik(TM) adapters. You might call the shape elliptical, but strictly speaking the shape is not an ellipse. The radius is a sinusoidal modulation vs. the circumfence. The gear fits the fischertechnik hubs. The smaller and and larger diameter are 30 and 60mm, so they go along with fischertechnik's standard spacing.

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