Hallo Gudmund.
Here is another example of double curvature foam cutting:
http://www.scalewings.com/entwicklung.php

It looks like any cnc foam cutter, and he is using software from: http://gm.cnc.free.fr/en/ The Step four software will propably also do 3d cutting http://www.step-four.at/

Good place to study any type of homebuilt cnc equipment is the cnc-zone. http://www.cnczone.com/forums/forumdisplay.php?f=21


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