> More in my blog: > > Half-Coupler: > http://worldgame.blogspot.com/2005/11/half-coupler.html > > Coupler: > http://worldgame.blogspot.com/2004/12/more-geometry-of-thinking.html > > Kirby Plus later @ Math Forum: Coupler Construction: http://mathforum.org/kb/thread.jspa?threadID=1419958 Kirby