hello there
has anyone else around here terrible problems with the shaded viewport? lines are rendered fine, but shaded surfaces are a mess…
Check if
- the geometry is very far from the origin. If so, move it towards the origin to improve
- the render mesh settings are fine enough.
thank you for the quick reply. it was indeed because the origin was too far off.
i very much like the new interface by the way!
Ok, excellent. Please give your credits re the new interface to @marlin - I am not affiliated with McNeel and certainly not responsible for the excellent work going into the Mac version of Rhino 
Hi there 
Sorry to bother you again with this topic, but I do have the same problem although my origin is very close to my 3D itself.
Any other idea to solve this problem?
Thank you !