Screw Burr - What other “novelty burrs“ do you know?

More OskarPuzzle at Print it yourself at Buy at , or Screw Burr is related to the classic six-piece burr. However, screws are used instead of square rods. Because of this, pieces are not slid, but screwed in. Copyright (c) 2021, M. Oskar van Deventer. Frequently Asked Question: Buy mass-produced Oskar puzzles at (USA, CA) and (EU) Buy exclusive 3D-printed Oskar puzzles at and