Rhinoceros/OpenNURBS export plug-in updated to 1.4, for Leveller 2.5. It
uses the newer OpenNURBS SDK that Rhino bases its 3DM format on.
http://www.daylongraphics.com/products/leveller/plugins/download/lev25_pi.zip
http://www.daylongraphics.com/products/leveller/plugins/download/lev25_pi_docs.zip
Ray