Tetrahedral racks

prusaprinters

<p>Four identical parts go together to make a symmetric sliding mechanism. It is a difficult puzzle to put them together, and even more difficult to have them slide together so that they all have the same offset relative to each other.</p> <p>This worked well printed vertically with no support.</p> <p>This is joint work with Saul Schleimer.</p> <p>Available from Shapeways at <a href="http://shpws.me/MCng">http://shpws.me/MCng</a></p> Category: Mechanical Toys