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Infinity Cube — Animal Fidget (folding magic cube, 48 engraved animals, two-colour) — image 1
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Infinity Cube — Animal Fidget (folding magic cube, 48 engraved animals, two-colour)

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A folding infinity cube (magic cube) fidget toy: eight cubelets linked so you can fold it end over end forever.

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Model information

License
Creative Commons — Attribution

Infinity Cube — an animal-covered folding fidget toy.

WHAT IT IS A classic infinity cube (magic / folding cube): eight cubelets joined by hidden pivoting links so the whole thing folds end over end and everts back into a cube, over and over. Satisfying to flip in one hand. Every single one of the 48 outer faces carries a different animal silhouette, so a new creature keeps turning up as you fold it.

Prints Fully Assembled

NO GLUING The links are captured inside the cubes by geometry alone (a bar that rides inside a bored pocket and exits through a slot narrower than the bar). There are no living hinges to snap and nothing to glue: it comes off the plate already a working cube. This was reprinted and confirmed everting on a real machine — see the photo of all eight cubelets opened into the full ring.

TWO-COLOUR ANIMALS (optional) There are two STLs: infinity_cube.stl — the eight-cube body with the animals recessed into every face infinity_cube_inlay.stl — just the animal silhouettes, sized to drop into those recesses Print the body alone and the animals read as clean recessed engravings in one colour. Or, for the two-colour look in the photos: in Bambu Studio / your slicer Import infinity_cube.stl, then Import infinity_cube_inlay.stl into the SAME plate. They share coordinates, so they land perfectly registered — do NOT move them. Assign the inlay a contrast filament and slice. With 48 faces this is a lot of filament swaps, so single-colour also looks great.

Print Settings

  • 0.2 mm layers, 3 walls, 15% infill, PLA or PETG.

  • Supports: ON. The captured links need support under the bored pockets to print cleanly; the slicer's auto-supports tear out easily after printing.

  • Work the cube a few times once cool to free the links.

CREDIT The folding mechanism is ported from Jan Pieper's "Sturdy Infinity Cube" (MIT licence, STLs CC-BY-4.0). Thank you to Jan Pieper for the field-proven link design. The animal engravings and two-colour inlay are added on top.

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