Improve Inventor export for certain models with patterns

[#1]

For models with large patterns the Inventor export will not work or take days, so the only way to work "efficiently" is to export/import *.sat-files.

[#2]

Hi Marco - any example models you can share?

[#3]

Hey Marco - I received your email with the sample file and am seeing behavior similar to what you described. We'll take a deeper look into this. Thanks.