Printable roundball shells (for 12.5mm / 4.3g)

This is a printable roundball shell. It is meant to be glued around a 9.56mm steel ball (9.5mm balls should work just fine too). The outer diameter is modeled to be 12.5 millimeters and the resulting weight with the mentioned ball bearings will be around 4.3 grams. The overall quality of the projectiles will be fully dependent on your print quality and glue strength. Don't expect these to perform as well as the expensive commercially available projectiles. Heavy tweaking of your print/filament…

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