The rims IMO are kind of a backward step. They are sweet in concept and look great, but weigh a ton. The only reason I wanna do any carbon fiber is weight. If something needs enough material to be structural, that it out weighs a metal part it's not worth the effort. I am thinking of making a few pieces from the carbon billit to see what the weight difference is between carbon and aluminum for CNC stuff. I also have my eye on that Dremel 3D printer for $999.00. I'm thinking parts like front master covers can be made from light plastic.