you can try: mikael@mhuss.se info@hyss.net
reading a little more on one of your responses definitely try Trueview.
A work around that may help is to download trueview from autodesk use it to save the dxf file into another version maybe even as a dwg and try...
http://www.3ds.com/products/draftsight/free-cad-software/ they have a version for linux, windows and mac
try also exporting as ACIS and then re importing into inventor
Hi I don't know the technical explanation, but sometimes there are some "kinks" on surfaces that create such error, I don't know much about...
you'll have a surface that you can use in Inventor, so you can create sections and you should be able to have a thickness of the surface.
Iges works fine
http://www.thelaminator.net/
You may not like the interface but i think is worth a try, have a look at this software: http://www.punchcad.com/p-7-viacad-2d-v7.aspx...
just export as iges or step and import on Inventor. try the two files to see which one gives you better result, once you have this surfaces in...
http://www.openfootage.net/?cat=15
It's just a short for the actual link or "tiny url" the site looks fine and the presentation looks interesting, i hope they can make it available...
http://www.3dartistonline.com/forum/viewtopic.php?f=6&t=4 Import Rhino Files, Iges, Acis etc...