Caged-1A Square-1 with a cage built around it, resembling a 3x3x3.
Cracked 1x2x3A non-bandaged Square-1 with eight segments on top and bottom. In shape of a cuboid.
Crooked-1A quick sticker variation created this midtwist puzzle.
Cube 321A bandaged Square-1. Quite ironic since the Square-1 itself is a bandaged puzzle.
Cylinder-1A Square-1 truncated into cylindrical shape.
Danger CubeNot the first Square-1 in shape of a tetrahedron but this is a pillowed tetrahedron and it was made by truncating only.
Decept-1Shape modification of a Square-1.
Dino Square-1A Square-1 further bandaged with a stickering scheme resembling the four colored Dino Cube.
Domino SquareA Square-1 twisted into a pattern and afterwards reshaped into a cuboid.