Slow performance on Rhino 6 - help?

Hey everyone, a friend has Rhino 6 with V-Ray 3.6 and asked me to help.
I know my way around computers but haven’t really used Rhino.
His PC has an i7 and 64gb of ram.
He finds his performance gets really bad when he starts adding ready-made assets to his models, even moving around the wireframe windows is very laggy.
Any thoughts / suggestions how I can help him?

PS. Will get him to run the SystemInfo command and send me the results.

Too many parts makes Rhino struggle. So mesh them and join those withe the same material together. That’s how we handle massive architecture files at good speeds. Good luck.

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Thank you!

Would you mind telling me how to do that so I can help him cause I guess he probably doesn’t know how to do it :slight_smile: