Both sides complete and welded up as one piece

Had to smooth the welds on the inside before I put them together otherwise I would never have got them smooth

These welds were tight enough to do, never mind a grinder

Starting on the next side, also explains how I strengthened those seams, and kept it hidden
Since I did the other side completely and got it right I knew where everything had to be cut and drilled

Drilled the plug weld holes