I was passing by a Leroy Merlin store and accidentally discovered consumables for welding plastic (and other materials).
I can't comment on the quality of the rods I found, but know that they're there!
Leroy Merlin has rods for welding plastics: ABS, PE, and PVCH.
Also, check out other interesting videos on my channel:
Two-wheel playlist: https://www.youtube.com/playlist?list...
Four-wheel + BUGGY: https://www.youtube.com/playlist?list...
How to learn to fly: https://www.youtube.com/playlist?list...
Off-Topic: • Off-Topic