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.