vane
thingiverse
Vane for arrows or bolts. The base can be enlarged for having more surface for the glue. It*s only .8mm (4 layers) thick, so I'd drop infill. If you want to make vanes for a JoergS-Crossbow, just scale down x to 50% (5mm), then it will fit the bolt box.
Download Model from thingiverse
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