Mixup 2x4x4Looks like a 2x4x4 but like the Mixup Cube allows strange moves.
Mixup 3x3x4Another Mixup puzzle by the (re-)inventor of the Mixup Cube. This time a 3x3x4 was "mixed up".
Mixup 5x5x5The bigger cousin of the Mixup Cube. A fudged and jumbling puzzle.
Mixup KitesA Mixup Cube shape transformed into a deltoidal icositetrahedron which is a catalan solid.
Mixup PrismThe concept of the mixup cube applied to a triangular prism.
Modular CubeA Skewb 3x3x3 that was redesigned and bandaged. Implements PSL(3,2)
Morning SliceA stellated dodecahedron with the axis system of a face turning icosahedron.
Morning StarCould be viewed as a shape variant of a Cross Starminx I but it has five logical layers.
Morph KilominxA Kilominx turned by 90° inside its solid. A puzzle with still with a high order of symmetry.
MorphminxA megaminx twisted by 90° around an edge inside its solid.
Multi Gear Cube KitA generalized version of the Paso Doble. It allows all kinds of gearing ratios between opposite sides for all three axis.