Bulbous Burr is a six-piece burr puzzle, but not the classic type
. Some of its pieces are circular. Still, the puzzle is easy to solve and it looks quite nice.
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 screws and stickers), or contact Oskar
directly if you are interested in obtaining a multi-colored sample of this puzzle.