I've just been made aware of this physical 17^3 puzzle:
http://www.shapeways.com/model/64058/over_the_top___17x17x17.html?gid=sg13603
Even its creator considers it to be "over the top". Wild.
-Melinda
The i-pde apps "Tesseract" from Alan Ide has an absolutely remarkable user =
interface.
It's a MUST for every 4D cubing member!