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DIY 3D Pen is Born To Weld

Depending who you ask, 3D pens are silly toys or handy tools. Those who use them as tools find them handy to fill gaps in printed assemblies or to use them as a PLA or PETG-based hot glue gun for their prints. [half-baked-research] on YouTube is in the second category, but kno...

🔗 Read more: https://hackaday.com/2026/03/07/diy-3d-pen-is-born-to-weld/

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