Trilabacus - fail
Channel: OskarPuzzle
Date: 2018-03-10

More OskarPuzzle at https://www.youtube.com/OskarPuzzle?sub_confirmation=1. Watch photos at https://www.shapeways.com/product/DCNYCR2WF/trilabacus. Trilabacus is a variant of the classic Astrolabacus puzzle. Each segment has a 120-degrees arc, which makes this puzzle turn inwards. Unfortunately, the puzzle does not work, so it is not offered for sale. 

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