3x7x11Extensions glued onto a cube an thereby bandaged into a cuboid.
3x7x7Another cuboid from the series made by Grégoire Pfennig and presented in early 2012.
3x7x7 (extended)A 3x7x7 cuboid, built with extension on pieces of a reduced 7x7x7.
3x8x8A pillowed 3x8x8. Made from a 8x8x8.
4 Color TheoremA trivial puzzle inspired by 'Instant Insanity'. An upgraded 1x1x4.
4x4x5A Tony Fisher custom puzzle. 68 pieces were modified to make this puzzle.
4x4x6A fully functional and fully proportional 4x4x6 made from a 4x4x4.
4x4x6 Fisher CuboidThe mass produced 4x4x6 fishered (twisted 45° inside its solid) and again mass produced.
4x4x7Another cuboid of dimensions which had been unthinkable years ago.
4x4x8A cuboid with more than 200 pieces.