Quote Originally Posted by silyavski View Post
Show us what exactly will be the final part. If its a 3d shape you will need a router, not wire cutter.
Normally cutting wing cores from foam requires passing a hot wire over 2 fences shaped with the aerofoil at either end of the foam block. CNC will provide the same service and remove timing errors and snags (getting stuck) giving a much more accurate wing core.