Game changer with Wehrle welding filament method!

I stumbled into this video while I was trying to determine if any of the filament welders on offer actually work. If you’ve got lots of spools with only a meter or so of filament, you can use his method to link them together. You can make some multicolored models or just use them for prototypes:

https://www.youtube.com/watch?v=gVOy2CHf6_s

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