This is primarily designed to go with the Nail Clipper blaster, designed by LeedleDynamics. It is designed to use as few additional parts as possible, and should be able to attach to any picatinny rail with no adjustments or additional hardware required.
.stl files are designed to be print ready, with no adjustments needed.
The author remixed this model.
Used the stock attachment point and pin design to craft a conversion piece.