A 3D-printed PCB vise from designer Chefkoch requires under 70 grams of filament and doubles as a solder station, making it a direct use case for partial spools that would otherwise sit unused on a shelf.
The design is fully printed with no additional hardware or fasteners. It reconfigures between horizontal and vertical jaw orientations, and uses the solder spool itself as a counterweight to compensate for the stability deficit that comes with a compact footprint. That counterweight mechanic is the detail worth reading the original for.
The vise is best suited to small boards. If the build interests you, Chefkoch's files are on MakerWorld under model 2305216. The full Hackaday writeup also points to a companion tool called the solder scroll, a pen-style feeder from 2024 that pairs logically with this kind of minimal bench setup.
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