Foam cutter

Simple foam cutter. I used some resistance wire (nichrome wire) and used a variable power supply to tune the voltage / heat. Use some M3 screws washers and nuts to mount the hot wire.

It works great.
https://www.youtube.com/watch?v=GJ5mLghwQ2Q
https://www.youtube.com/watch?v=NoyrDLDuhM8