The file 'B Box Hammond Style ABS 3D Printer Model' is (stl) file type, size is 14.6KB.
This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/lWoJme5Tp3o, close to exact dimensions of the famed Hammond 1590 B box. It goes with the B box Lid and Sled.