Screwless Heart Gears
UPDATE: There is a new version of this design which is more reliable to print and easier to assemble. I highly recommend you use it instead: http://www.thingiverse.com/thing:243278
At last, here is the much-requested 100% printable heart gear...
Tags: 3d art brain gear featured gear gear gear mashup geometry heart makerbot multi part openscad parametric rotating gear toy valentine
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