Hi,

I regularly save part files as SAT files for RF analysis with our engineer. Usually the smaller the file size (less features, surfaces etc). the better. I recently saved a file with lots of internal features as a SAT file and the size was 4mb. I then removed all features not required such as bosses, embossed text and so on- saved the file as SAT again and the filesize was 9mb. I dont see how this possible ... what is it that actually defines the filesize in parts and how is this related to other formats .. SAT, IGES etc?