I'm not too familiar with those tools. Have your tried asking Autodesk Support how to best work with externally created content? If you find anything, it would be appreciated if you could share your experiences here. -Marius -- View this message in context: http://forum.openscad.org/Can-t-modify-a-stl-made-in-Openscad-Noob-tube-question-tp11691p11695.html Sent from the OpenSCAD mailing list archive at Nabble.com.