Hot tool for cutting foam

[dkj4linux]

Not sure if this is the kind of info you’re looking for… not 3D milling. But hot-wire cutting of foam is certainly doable…

ERC TimSavX2 hotwire machine

Recently my son-in-law said he needed a way to cut large letters and shapes out of thick styrofoam. Coincidentally there was a recent video of a really neat hot-wire machine which strongly suggested I could functionally duplicate it using TWO of the ERC TimSav needle-cutting machines, recently released by Edward Chew as a kit. TimSav is an inexpensive “minimalist” 2-axis X/Y + servo-Z needle-cutter machine and quite the hit with RC’ers who are getting tired of hand-cutting foamboard for their …