my cad drawing is not 100% focused on weight savings as i do not race. i put in a mesure for strength as well. so it probably can come quite a bit down in weight. there is no races around where i live,
and i just…"
i have built a couple of these frames, and slightly improving them as i go along. i have used google sketchup to do the digital drawings and then cut them out on a cnc router.