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)
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