Cheap ($30+-) and easy to build hot wire foam cutter made from commonly available parts. i used a rechargeable 12v tool battery and an 88 cent 2 pole power switch.. Cutting symetrical wings for a delta flyer from 1" foamular 150 (pink foam) with a hot wire. hot wire is powered by a 2 amp 12volt battery charger plugged. Diy foam cutters. are there any sites that give details on how to make a diy foam cutter ? i have been using a 12 volt battery chargers for automotive batteries.
How do i build a hot wire foam cutter? i then tap one of the battery clamps to the wire several times to more slowly warm it, then clamp it to the wire.. Foam cutting power supply. a "do it yourself wire across a 12 volt car battery, in the model magazine for building a hot wire foam cutter power. Cutting foam is pretty tricky without a hot wire cutter. don’t have one? well, lucky for you, [darcy whyte] has a guide on how to make one. it takes just.
