4 total in the download. All are of the same C4D. 2 are on a black background, but one of the 2 have a white overlay to brighten it up. 2 are also on a transparent BG, also one has a white overlay..
So, depending on your monitor brightness, one (of each) will look more "right" than the other.
This was just one cube which I kept extruding, extruding inner and extruding and extruding.. And - believe it or not - this took over 13hrs to render rofl..
Original file size is/was: 3,200x4,000px with a DPI of 300, on a 16 bit/channel.
it is here
[link]