Hollow Pyramid was requested by Jet Xie. Knowing the
Hollow Cube, he wondered whether it would be possible to design a hollow tetrahedral pyramid. The new puzzle uses the same square dovetail joint that holds together Hollow Cube. A
pseudo-binary random sequency was used in the dovetail design to keeps the tips connected.
Watch the
YouTube video.
Read at the
Shapeways Forum.
Read more at the
Twisty Puzzles Forum.
Please order a 3D-printed do-it-yourself puzzle kit from Shapeways at this page (check with Oskar about screws and stickers), or
contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.