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Pentalabacus
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A bigger variant of Astrolabacus with six segments that but with five channels of beads.

Pentalabacus is a twisty puzzle, inspired by the classic Astrolabacus puzzle. This variation has five channels, spread out by 72 degrees over each arch. This way, the beads in all channels can move in each state of the puzzle.
Note that the segments are NOT torus parts. Each channel needs to hold an integer number of beads (2, 4, 5). This requires careful shaping of the channel such that they fit exactly.
Thickness: 41 mm
Weight: 196 grams

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