filament welding to allow dual strands to be made into one, and improved filament colorizing that uses a cotton pad with your choice of ink to color your filaments as they are made. According to ...

“Friction welding” is the process of rubbing two ... of [Fran], [Scorch] experimented and discovered that a stick of filament mounted into a Dremel works just as well for joining 3d prints.

If you’ve seen both a fused filament fabrication (FFF) printer and a wire welder, you may have noticed that they work on a similar basic principle. Feedstock is supplied in filament form — aka ...