A few nice 3d milling images I found:
3D China Milling with a CNC Router
Image by AS220
Jens Dyvik taught members of AS220 Labs how to use the CNC Router to do 3D China Milling.
3D China Milling with a CNC Router
Image by AS220
Jens Dyvik taught members of AS220 Labs how to use the CNC Router to do 3D China Milling.