2x2x6 AI cubeA bandaged 6x6x6, emulating the pattern of the SPHINX small HS 2x2+4x4.
321-Cube 6x6x6A bandaged 6x6x6 resembling a higher order "Special 2x2x2"
3x4x6 Brick WallA 6x6x6 bandaged into a 3x4x6 cuboid and five layers turned by 90 degree just like in the wall cube.
5x6x6The world first fully functional (and in some regard proportional) 5x6x6 cuboid.
66 mm 6x6x6 V-CubeA 6x6x6 V-Cube truncated a bit. A failed attempt to transform it into a perfectly proportioned 6x6x6.
6x6x6 center blockA 6x6x6 bandaged with one big block. A constrained variant that does not behave bandaged.
6x6x6 Fisher CubeA 6x6x6 is fishered which means it was turnd inside its solid by 45°.