Online since 2002. Over 3300 puzzles, 2600 worldwide members, and 270,000 messages.

Other N-Sided: Four
XenomorphixA tetrahedron made from a 3x3x3. This one was "fishered". Means: Its axis system was twisted by 45¬į inside its solid.
Xenopix (Sharp Edges 580002000)A 3x3x3 truncated on four edges and afterwards extended. The result has four sides but looks like a pressed tetrahedron.

join »login » Community