Once the corners and edges are placed, you will likely find that some centers need to be rotated 90° or 180°. Key Algorithms for Center Rotation
A standard cube traps you: six sides, eight corners, one finite volume. The Super Cube breaks the lock. Rotate it along its invisible axis, and an interior space larger than its exterior shell reveals itself. It is a tessellation that never repeats, a fractal hunger clothed in straight lines. Super Cube