3D print your own nautilus gears

By Andrew Gregory. Posted over 6 years ago.

This article was originally published as part of HackSpace magazine, which has since been incorporated into Raspberry Pi Official Magazine.

This looks like it shouldn’t work, but it does, and we’ve spent far too long playing with it. The two gears are non-uniformly shaped, but they’re put together so that the widest point of one gear exactly meshes with the smallest point of the other one.

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We’re not sure how useful this is as an object, but the tolerances on this little toy, from Thingiverse user MishaT, are so small that it makes an excellent test to see if your printer is calibrated properly. Download and print your own from http://hsmag.cc/fsKgdS

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Andrew Gregory

Features Editor Andrew trawls the internet for Cool Stuff while keeping the magazine running smoothly.

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