The 6th entry at the R.G.A. Stacking Contest is by Dave Barnes. The game is called Twisties.
Here’s a pict of the initial setup:
My old mate Martin H. Samuel in Florida of (Games Above Board) sent me your link ~ so that I could send you a link to my entry of this ace competition... and so here it is...
Have a looksee and do whatever with it.
Looking forward to hearing back from you.