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

Edge turning hexahedron (axis system)
4-Leaf-Clover CubeAn edge turning cube which closest relative is a more complex hybrid puzzle that came before it.
Bump Curvy Copter PlusA Curvy Copter Plus that was bumped aka moved inside its solid.
Celtic TetrahedronThe first tetrahedron with the axis system of an edge turning hexahedron.

Clover Tetrahedron (Curvy Copter)The 4-Leaf-Clover Cube in shape of a four-sided solid.
Compound HelicopterWith many aspects this is a helicopter cube or a curvy Copter. The axis system is the same as the number of cuts but the cutting depths are different.
Copter Ball IIIThe spherical cousin of the Curvy Copter III

Crazy CometA jumbling twisty puzzle based on the geometry of a Rhombic Dodecahedron.
Cubic ToruAn edge turning hexahedron designed to resemble one of the inventors earlier puzzles.
Curvy Chop PlusThe concept of the Curvy Chop applied to a Curvy Copter Plus.

Curvy Copter IIA deeper cut version of the Curvy Copter which results in a different set of pieces.
Curvy Copter IIIAn edge turning hexahedron with cuttings depths somewhere between Curvy Copter and Curvy Copter II.
Curvy Copter III IcosahedronCurvy Copter III truncated into the shape of an icosahedron.

Curvy Copter III plusThe concept of the Curvy Copter Plus applied to the Curvy Copter III
Curvy Copter III plus 2The Curvy Copter III with a set of additional cuts usable only for jumbling turns. Second in a series of five.
Curvy Copter Octahedron IIIA Curvy Copter III redesigned in the shape of an octahedron.

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