Easy filament welder / splicer

The jig us actially optional; the magic is the silicon tube! You need one with 1,6mm (1/16 inch) Inner diameter. The heat will allow it to expand a bit, coming close to 1,75mm.

You can do it without that jig, but it will help holding the filament while welding, like a 3rd hand.

After printing the jig, you may need to use a cutting knife to fine-tune the cutouts fitting for the filament.

Watch this video for the howto