Arch Burr is a six-piece burr, but not a
regular one. Six bent pieces intersect each other at two different places.
Bit and Pieces produced a batch of metal Arch Burr in the past, but these seem to be sold out.
Watch the
YouTube video.
Read at the
Shapeways Forum.
Read more at the
Non-Twisty Puzzles Forum.
Please order a 3D-printed do-it-yourself puzzle kit from Shapeways at this page (check with Oskar about dye), or
contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.