I was a little frustrated when a saved MoI 3dm file would not open.

My system bogged down to a standstill and the Task Manager Processes specs had MoI at 4 million+ page faults!

Then a thought came to mind to check the Options>View>Mesh Angle setting in MoI. - It was set to 2!

That means it was trying to flood my old video card with billions of polys.

I set it to something more manageable like 15 degrees, and the file opened fine.


If your MoI bogs down on opening a file - remember to check this setting.