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Peter’s Non-flipping Tri-Cairos (IPP25) by Peter Knoppers / Buttonius Puzzles

metagrobology 198

Item Location: United States

$50.00

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Peter’s Non-flipping Tri-Cairos (IPP25) by Peter Knoppers / Buttonius Puzzles

WOW! Tri-cairos are a specialty sort of pentomino, where each unit is comprised of a pentangle (rather than a square) with equilateral sides and two non-adjacent right angles. Creating a domino from three units is called a Tri-Cairo. There are eight possible non-flipping tri-cairos, and this puzzle present all with two bonus mono-cairos to pack it all into a cool tray puzzle with MANY different challenges depending on where the Tri-Cairo key piece(s) are constrained. Detailed instructions included. Designed and exchanged by Peter at IPP 25 in Helsinki.

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metagrobology 198

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Peter’s Non-flipping Tri-Cairos (IPP25) by Peter Knoppers / Buttonius Puzzles

metagrobology 198

$50.00

Description

Payments & Returns

Post Message

Stella CT754 by Arjeu

Harry's Nails (IPP21) by Harry Nelson / Rick Irby

Pluton "Les Minis" CT1106 by Arjeu

Edges Don’t Match? (IPP26) by Andreas Röver / Buttonius Puzzles