@cfee - Can you please provide the following for David:
- Your model. You can send it through here: https://www.rhino3d.com/upload?to=davideranen@mcneel.com Directly to David.
- The technical details of your machine. You can easily get the info by opening up Rhino 6 and go to Help > System Information. Either copy paste the text into this thread or save and send the file directly to davideranen@mcneel.com