A beautiful mechanical puzzle comprising three identical pieces, die-cast in stainless steel and weighing almost 2 pounds.
The Venn Puzzle is a surprisingly difficult dexterity challenge and an intriguing addition to your desk, shelf, or coffee table.The assembledpuzzle creates a perfect sphere so each piece makes up one-third of the sphere by volume. These pieces are cast from molten stainless steel in a die or mold at temperatures over 2500F.
For the full story, check out theKickstarter page.
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