[Techgenie]’s handheld hot wire foam cutter is a simple build based on a single 18650 and a piece of nichrome wire. While this is probably not the most Earth-shattering hack you’ll see today ...

But [Matthias Wandel] may be on to something. Here he’s using nichrome wire to reinforce the broken plastic part. The repair process is demonstrated in full in the video after the break.