C-3PO arm - small printer

This is an arm model I made mostly from picture analysis, but based somewhat on Starbuck Cylon parts and Gordon Tarpley's YouTube vids. The forearm is split into four pieces and the bicep is two. This was done to fit on printers with shorter print capacity and the three main forearm pieces are designed to nest like a Russian doll to print at one time. The pieces key together for alignment. I've posted another version that might be more appropriate on larger printers. I used 35% infill but it ho