Twelve Point - Interlocking puzzle by Stewart Coffin (STC #33)

Twelve Point - Interlocking puzzle by Stewart Coffin (STC #33)

prusaprinters

Twelve PointInterlocking puzzle by Stewart Coffin (STC #33)Assemble six unusually shaped pieces into the polyhedral shape shown in the cover photo.Twelve Point is a lovely interlocking design by Stewart Coffin. It has the same assembled shape as his related design Vega, but the assembly is substantially more difficult: the six pieces of Twelve Point are all distinct, and they assemble in one way only. This one has an intricate mathematical structure that is a joy to discover. Highly recommended to fans of Coffin's polyhedral puzzles.Printing InstructionsPrint one copy of coffin.twelve-point.bases.stl and twelve copies of coffin.twelve-point.tip.stl. Use one filament color for the bases and one (different) color for the tips. Then snap the tips onto the bases (before attempting to solve the puzzle).The pieces are assembled using "snap joints": simply snap the male and female connectors into place. If they come out too loose, they can be reinforced with a few drops of superglue, but this usually isn't necessary. The joints are designed to be printed without supports.One of the bases is printed in two parts that also snap together; this is the only way to make it printable without supports. The smaller base part has the same shape as the tips, but is included in coffin.twelve-point.bases.stl and should be printed in the base color. To help keep things straight, the joint on the base part is labeled with the letter "A", and the joints on the tips (in coffin.twelve-point.tip.stl) are labeled with the letter "B". The sockets (female joints) are labeled with a corresponding letter on their interior surfaces, so that there is one "A" socket and twelve "B" sockets.The Printable Puzzle ProjectThe Printable Puzzle Project aims to make available high-quality open-source models of many puzzle designs. All of our models are posted with the generous permission of their designers and are licensed for non-commercial use only. Anyone may print copies for their own personal use, but selling or otherwise monetizing them is not permitted, and puzzle designers retain all rights as copyright holders of their work.Our puzzles are modeled using the open-source puzzlecad library. The .scad file is included with this model in case you want to modify any of its design parameters; more information on how to do this can be found in the PPP Puzzle Modeling tutorial.About the DesignerStewart Coffin has been called "the most outstanding designer and maker of interlocking puzzles that the world has ever seen". He is credited with over four hundred designs, has pioneered numerous ingenious puzzle forms, and has written extensively about puzzle design and craftsmanship. More information on Coffin, along with many other printable models of his designs, can be found on the Stewart Coffin Puzzles overview page.Happy puzzling!

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