Diamond DelightAn equatorial vertex turning pentagonal dipyramid with spherical cuts.
Dibow CubeA rainbow cube transformed into a half-truncated dino cube.
Dino BarrelA rainbow cube transformed into an octagonal prism
Extended Octagonal 3x3x5An extended version of the octagonal prims. This is just a shape variant, not a fully functional puzzle.
Fang-10An edge turning pentagonal dipyramid. A puzzle that allows only jumbling moves.
Fisher Octagonal PrismA Fisher Cube truncated back again into an octagonal prism but on a different set of edges.
FisherrockA 3x3x3 transformed into a square antiprism with one side kept unchanged.
Fracture-10A fully custom ten-sided puzzle with five axes of rotation.
Fracture-10 UnbandagedA fully unbandaged (aka: fudged) version of Fracture-10 where all axes are always capable of 90 degree moves.