In additive manufacturing, many applications require a more stable screw connection than pure plastic threads can provide. One common solution is brass threaded inserts, which are inserted into prepared holes using heat. A soldering iron or a special press-in device is usually used to place these inserts precisely. YouTuber TimNummy has now shown that such a press can be printed entirely from plastic parts – with the exception of the soldering iron itself.
The model is called “Superserter” and is fully designed for 3D printing. It fits on standard print bed sizes of 256 × 256 mm and can be manufactured without support structures. TimNummy used a Bambu Lab X1 Carbon for this, but the design is not limited to a specific device.
In contrast to comparable designs, the Superserter does not use metal guides, plain bearings or linear rails. The mechanics are based entirely on interlocking plastic components. This design decision simplifies production, but increases the demands on the precision of the print and the choice of material – such as PETG or polycarbonate for stressed areas.
The 3D model can be downloaded from Makerworld.
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