Iron and Copper Ingot Factory
The tower in the background houses smelters for 4 x pure iron nodes and 2 x pure copper nodes. Train tunnels bring the ingots back to main base. Quarter Pipe foundations make for an interesting support column.
![Iron and Copper Ingot Factory](/data/gallery/6/4/c/0/f/18-75.jpg?v=1605698324)
The tower in the background houses smelters for 4 x pure iron nodes and 2 x pure copper nodes. Train tunnels bring the ingots back to main base. Quarter Pipe foundations make for an interesting support column.