The file 'Power Grid Oil Barrel 3D Printer Model' is (FCStd,stl) file type, size is 1.2MB.
When printing Power Grid resources created by other users (THANKS!) I wasn't quite happy with any of the oil barrels, so I designed one in FreeCAD (source file attached).
powergrid_oil_barrel_greendog99.FCStd | 507.3KB | |
powergrid_oil_barrel_greendog99.stl | 1.6MB |