Designed for 0.4 nozzle, 0.2 layer height, PLA & PLA Silk filaments

0.2 layer height

0% infill

3 layers for top and bottom shell

concentric solid infill pattern

2 walls for the bolt itself

10 walls for the nut (you have to add modifiers to the nut only, or just set 10 walls for everything)

Once model has printed, rotate the nut to release it from the bolt