3D-printing has revolutionized the kind of parts that can be easily made at home, but once you move from printing a “benchy” or decorative model to more useful implements, there’s a very good chance that you’ll need a way to stick two or more parts together.

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In this post, we’ll go over several options for adding fasteners, like nuts and inserts to your design.

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Heat Set Inserts

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While I haven’t actually tried this technique myself, heat set inserts seems to be the go-to 3D printing screw attachment method around the Internet. These inserts are readily available on sites like Amazon and McMaster-Carr, in the printing world, and often feature an M3 internal thread. Installation consists of printing the proper sized hole, then pressing them in with a soldering iron, optionally with a special heat-set tip. Per the above […]

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