Protopasta Icosa 3D Model almost 2 years 22 Another polyhedra construction set 20 mm 3D Model almost 2 years 9 Icosahedron 3D Model almost 2 years 29 A regular 1" icosahedron 3D Model almost 2 years 4 Platonic Solids for OpenScad - v0.5 3D Model almost 2 years 16 Platonic Solids for OpenScad - v0.2 3D Model almost 2 years 8