- 2mm cf tube as outline
- 1mm cf tube in between
- pianowire in the joints
And it is very (very) rigid, perfectly flat, perfect fit and very light. And to be honest, so far it is more fun to work with than balsa...
The challenge was to get the Dubro hinge through. I tried to dremel a slot first, but that didn't work. Next was a razor blade, cf is fibres after all. That worked. Two cuts and the hinges were in.
This whole "structure" is below one gram. Promising...
That's it for now. Mold first.