This is a thing of the Gear-xxxhedron collection.
Description:
The gears are not rotating because a triangular mesh will not rotate. Give it to a friend and he will get a knot in his mind ;-) . I like smaller things, this is the shrinked version of my previous gear tetrahedron. (not scaled, it is a complete remix.)
New:
There are new pinpegs. Standard pinpegs are double sided and to long for the small center piece. So I have designed 1-sided pinpegs with annother spring mechanism. Short side has to be glued.
Howto:
Print 1 center, 4 pins. 4 Gears must be the same STL-file! You will select different numbers of teeth and gear positions. For one gear tetrahedron you have to print 4 gears of the same STL.
Can be printed in PLA or ABS, as you like. Pins are recommended in ABS if you like. Photo: I have printed in ABS, acetone vaporized.
center.stl | 73.8KB | |
gear12a.stl | 193.7KB | |
gear12b.stl | 193.4KB | |
gear18a.stl | 253.8KB | |
gear18b.stl | 255.2KB | |
gear24a.stl | 316.2KB | |
gear24b.stl | 316.4KB | |
gear_tetrahedron_v3.scad | 4.7KB | |
parametric_involute_gear_v5.0.scad | 17.3KB | |
pin.stl | 62.0KB | |
pin3.scad | 2.4KB |