Important news about HackSpace

We have some important news to share about HackSpace: Issue 81 was the last issue of HackSpace as a standalone magazine, and HackSpace has become part of The MagPi, the official Raspberry Pi magazine. Starting with issue 145, We’ll be adding pages to The MagPi to make room for the stories and tutorials you’ve come to expect from HackSpace.

3D print your own nautilus gears

By Andrew Gregory. Posted

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.

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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