Online since 2002. The most comprehensive site for all around twisty puzzles.

David Pitcher
HeliPrism 6 BallA six axes edge turning triangular prism.
HeliPrism 6 CurvyAn edge turning trigonal dipyramid with curvy cuts.
HeliPrism 9 BallHeliPrism 9 Ball is an edge turning triangular prism with one axis at every edge of the form, for nine total axes.

HeliPrism 9 CurvyA trigonal prism with 9 axis. Curved cuts make it work.
Hexcopter 12 CurvyA hexagonal prism turning on the twelve 90° edges.
Hexcopter 12DA hexagonal prism, turning on the 12 short edges.

Ice-9A nine sided puzzle with 6 axes of rotation.
Insanity CubedA cubic version of the Edge of Insanity puzzle.
Insanity Double PlusA variant of Edge of Insanity with full four-way symmetry at the three new axes.

Insanity Plus PuzzleEdge-of-insanity-puzzle with three additional axes.
Ivy CrystalAn "Ivy Cut" rhombic triacontahedron, or a Pyraminx Crystal in disguise.
Ivy DodecIn solved state this puzzle looks like a reimplemented Trix but instead it works like a shape transformation of the 3x3x3.

Ivy FestivalA trapezoidal hexacontahedron with "Ivy" slices.
Ivy KitesAn "ivy cut" trapezoidal icositetrahedron.
JumballA face turning triakis tetrahedron with truncated shape. A jumbling-only puzzle.


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