Infernal Box is a variation of the Soma Cube, formed by 64 cubes (4x4x4) divided in 16 random pieces of 4 cubes each one.
The cube is generated randomly, and the dificulty resides in the variation of the pieces, you can generate a cube, see each piece and download the entire cube. If you see a piece repeated many times you can generate another cube
All the pieces of this puzzle can be printed without support material, you just have to rotate the piece correctly
Get your cube!: Infernal Box generation page