4x8x8A pillowed 4x8x8. Made by hand from a 8x8x8.
5x5x7Another cuboid with half-regular dimensions that would have been impossible without CAD.
5x5x7 (pillowed)A pillowed version of the 5x5x7. Made from a mass produced 7x7x7.
5x5x8Another cuboid which for a long time was not known to be missing.
5x5x9Another cuboid which for a long time was not known to be missing.
5x6x6The world first fully functional 5x6x6 cuboid.
5x6x7An amazing cuboid which pieces could not have been proportional.
5x7x7The inventor's alternative name for this cuboid is "imperial floppy".