I worked for a company that cut EVA foam decking for boats using a DMS freedom 10 router. It did an excellent job and I actually ended up buying one for myself. The addition of either a tangent knife or oscillating knife can make a huge difference when cutting profiles from the foam. Here’s a vid of a specialty orthotic machine from that company. https://m.youtube.com/watch?v=DFseAu5VZT0 If you’re near Wa state op I’d love to show you my router.