simple filament fuser
thingiverse
Mold the filament in place with a vise grip that automatically locks shut for hands-free convenience. Apply heat to both ends of the filament, then carefully insert them into the mold so they make contact. If needed, enlist assistance from another person to accomplish this task, next secure the grip by locking it in place and allow it to cool completely. Once cooled, remove any excess material and send it through your 3D printer for processing. I've found that these molds resist heat well and operate consistently without failing.
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