Hollow 1x2x2Probably the most minimalistic twisty puzzle although by far not the most trivial to make.
i! cubeCombines the concept of the I-Cube with the Bump Cube.
I-Cube Bumpoid 4x5x5A 5x5x5 cube "bumped," the top two layers glued, then 3D printed extentions added to the sides.
King's CubeA cornerless 3x3x3 with additional pieces which gave it the look of a 3x3x5.
KolasA 3x3x3 bandaged and extended with cubies glued on.
KupalaA 3x3x3 bandaged and extended with cubies glued on.
L-Cube HybridThe L-Cube from Calvins Cuboid series with circles on two sides.