Adding threads to your 3D prints is a life-changing feature, but obviously there are a lot of trade-offs and considerations when deciding on how to go about this exactly. Between self-tapping screws, ...

They include tapered, straight hole, and symmetrical inserts, as well as threaded studs. The inserts start at 0 to 80 for inch threads and M1.6 for metric. The tapered H Series is said to outperform ...