I’ve been tinkering with my 3D printer and have found myself quite enamored with the notion of adding heat set screw inserts into 3D printed PLA parts. I’ve spent a fair amount of time mastering the technique and I thought I’d share some insights here, in case it proves helpful for anyone else. The What and Why of Heat Set Screw Inserts Heat set screw inserts are nifty little brass threads that you can embed into your 3D printed parts. Their purpose? To create durable, reusable threads for machine screws. This is particularly handy when you’re building parts that need …