The file 'Open Top Hopper Car Addon For OS-Railway Freight Car Chassi 3D Printer Model' is (stl) file type, size is 14.5KB.
This is an addon for the freight train chassi. It can be glued or fastened with 4pcs of M2x8~10mm.
Link to the chassi: http://www.thingiverse.com/thing:2152351
Note! due to the very thin vertical parts of this print, don't use a thin layer height or your nozzle will most likely nock them down. I used 0,3mm for the first print, and 0,25 for the second and that one turned out really good so 0,25 is what I recommend.
freight_car_bulk_addon.stl | 84.7KB |