Here are some CNC Foam Cutter built by fellow enthusiasts who have been kind enough to send pictures.
As you can see you don’t have to follow my builds exactly or use the same materials. 3d printing is becoming a popular way to build CNC quite often referred to as MPCNC (mostly printed CNC)
Ian’s Foam Cutter
Ian has built the foam cutter from the plans and he’s made a very good job of it. He’s also found from testing he gets much better results with a bench power supply to power the hot wire.
Mark’s 3d Printed Foam Cutter
Mark has used PETG filament and Baltic Birch Ply check out his designs on Thingiverse he’s going to upload all the parts soon.
Tony’s 3d Printed Foam Cutter