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Hyper Mini Tetrahedron 18 mmA Halpern-Meier Tetrahedron with 18 mm edge length.
Hyper XA hybrid puzzle which combines the 2x2x2 with a Master Skewb.
Hyperoid CubeA mini Void Octahedron in a big Void Cube.

Hyperoid Cube PlusThe Hyperoid puzzle with additional connections between the outer and inner puzzle.
i-Floppy Fisher CubeA 3x3x3, bandaged, fishered and bumped.
IcoctahedronA face turning octahedron in shape of a non-regular icosahedron.

IcosacopterThe Icosacopter is a deeper cut edge turning icosahedron. It is deeper cut because the center pieces (the middles of the edge) are in no way able to connect directly to the core.
Icosioctahedron StarA corner turning Hexakis truncated tetrahedron. A jumbling only puzzle.
Icosioctahedron Star V2Icosioctahedron star with an additional set of unbandaging cuts.

Icositetrahedron StarThe icosioctahedron star v2 with an additonal type of pieces revealed.
IcosmominxAn icosahedron with four cuts between two tips. The cutting depths were combined from the Icosaminx and Astrominx.
Illegal CubeA pentagonal prism which ignores geometric rules.

Imaginary CubeA combination of Enabler Cube and Crazy 3x3x3. I works like a subset of the Complex 3x3x3.
Impossible TwistA deeper-than-origin puzzle inspired by the impossible dovetail object.
Incomprehensible CubeA physical implementation of (UD', L, Ls, Fs). A 3x3x3 with a coupled pair of edges and two opposing sides coupled.

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