5x5x9Another cuboid which for a long time was not known to be missing.
5x6x6The world first fully functional (and in some regard proportional) 5x6x6 cuboid.
5x6x7An amazing cuboid which pieces could not have been proportional.
5x7x7The inventor's alternative name for this cuboid is "imperial floppy".
5x7x9Also labeled as the "the definitive ultimate shapeshifting cuboid".
5x8x8A pillowed 5x8x8. Made from a 8x8x8.
5x9x9A hand made fully functional 5x9x9 cuboid puzzle.
6x6x7Another entry in the seemingly endless line of cuboids.