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Other Shapes: Round Convex Shapes
Flan CubeA truncated conical 3x3x3.
Floppy DonutA 2-layer nonagonal prism in shape and appearance of a Donut.
Floppy EggOne of the earlier variants of the Floppy Cube. This one depicts an opened egg including the yolk.

Flower BlocksA sample of the Mirror Blocks truncated and restickered.
Flower PuzzleSomething halfway between tetraminx and "pyraminx with hexagons"
Fourcone 3x3x3Four cones joined in one solid.

Fourcone SkewbFour cones joined in one solid.
Fourcylinder 2x2x2A curved version of the deltoidal icositetrahedron outside of a 2x2x2.
Fourcylinder 3x3x3A curved version of the deltoidal icositetrahedron outside of a 3x3x3.

Fourcylinder 4x4x4A curved version of the deltoidal icositetrahedron outside of a 4x4x4.
Fourcylinder 5x5x5A curved version of the deltoidal icositetrahedron outside of a 5x5x5.
Fourcylinder skewbA curved version of the deltoidal icositetrahedron outside of a skewb.

Gear BiconeA gear Cube truncated into the shape of a bicone.
Gear EggA mass produced Gear Cube in shape of an Egg.
Gear Extreme PenroseA Gear Cube Extreme truncated into three round surfaces in a spiral pattern.


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