This model for 3d printting. Units millimeters 80x10 mm. You can scale it if you want. I recommend you use 0.4 mm resolution (But you can try something else. It doesn't so much matter). Rafts: No. Supports: No. Infill: 30% (But if you want it so much heavier use 100%)Use STL or OBJ for your slicer program.If anything you want to change in the model use another files that more fits you