Sheet Metal ChairSheet Metal Chair – QuatropodSheet Metal Chair – QuatropodSheet Metal Chair – QuatroSheet Metal Chair – TripodSheet Metal Chair – TripodSheet Metal Chair – TripodSheet Metal Chair – Tripod & BipodSheet Metal Chair – Tripod & Bipodself project: Chair concept: These are utilizing a full length of 4′ x 8′ sheet metal. 3 chairs can be cut out from 1 sheet metal. The least parts to be bent. A few places to be welded or revetted. The objective is to minimize process.