2x3x3Custom made 2x3x3 cuboid, invented by Tony Fisher.
3x3x5Tony Fisher's version. Handbuilt from a 5x5x5.
3x4x4One of the earlier cuboids. Started as one of Tony Fisher's custom puzzle.
4CubesFour parts (looking like a 3x3x3) connected into a single puzzle. The second (the other being an 11x11x11) collaboration of Tony Fisher with another designer.
4x4x4 BallA 4x4x4 transformed into the shape of a sphere.
4x4x5A Tony Fisher custom puzzle. 68 pieces were modified to make this puzzle.
4x4x6A fully functional and fully proportional 4x4x6 made from a 4x4x4.