Let's face it: cutting foam with a knife, even a serrated plastic knife meant for the job, is a messy pain in the ass. This is as true for insulation board as it is for the ubiquitous expanded polys
Hot Wire Foam Cutting – Dan's Workshop Blog
DIY Hot Foam Cutter (Might be useful for the terraformers on here)
How to Cut Rigid Foam Insulation: 15 Steps (with Pictures)
Foam cutter - How to make it the easy way!
Hot Wire Foam Cutter 120v - Woodland Scenics
Small MOQ Customized Air Cooling DIY Hot Heating Electric Household Handhold Cutting Grooving EVA Sponge Foam Cutter Knife
Hotwire Template Tips
Lara Grant
Styrofoam
How to Make Electric Foam Cutter : 6 Steps (with Pictures) - Instructables
Building the Ultimate Hot Wire Foam Cutting Table - Make
How to build a Hot Wire CNC Foam Cutter - Parallel Port Version - rcKeith