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Six-Sided: Cube (Shape Preserving)
Lattice CubeCould be thought of as a Master Dino Cube.
Lattice XA hybrid puzzle of Super-X and Lattice Cube
Lucky Clover CubeA contour cut variant of Oskar's Redi Cube.

Master Curvy CopterA two-layer, curvy, dual-jumbling, edge-turning cube.
Master Curvy Copter PlusAs the name suggest this puzzle combines the properties of Master Curvy Copter and Curvy Copter Plus.
Master Helicopter CubeAn edge-turning hexahedron with four plane cuts per axes.

Master Rex CubeA corner-turning hexahedron with 7 types of pieces. All cuts still intersect at the corners.
Master SkewbAn incredible creation by Katsuhiko Okamoto. A very rare puzzle for many years it became mass produced in 2011.
Master Skewb 3x3x3A hybrid puzzle of a face-turning and corner-turning hexahedra. In this case the cutting depth of a 3x3x3 and a Master Skewb are combined.

Mayan CubeA 3x3x3 which implements a new way of bandaging. It makes use of many beautiful L-shaped pieces.
Mercedes CubeA 3x3x3 with unusually cut circles which can be turned independently.
Mercedes Cube IIIt looks very similar to the Mercedes Cube I but this combines cornerturns with turns of the circles.

Mercury Uniaxial 3x3x3A slight modification of the Deep Uniaxial 3x3x3.
Mess Cube 4An Eastsheen 4x4x4 modified to look like a 5x5x5 it internally is. The internal bandaging was removed and replaced by an external one.
Micro 24-CubeAlso known as "Little Chop" but with an edge length of just 30 mm.


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