Hi, I have a very simple Rhino scene and it seems to me that the shaded preview is so much slower than the wireframe preview. I remember 3d Max previewing in shaded and rendered mode much much faster than Rhino. Is this a (very sad) Rhino bottleneck? [ - YouTube] My Hardware: W7 64 b…

I had a file recently from a user with a similar problem. It turns out for him, that the file had originally been brought in through Revit. It had tens of thousands of independent mesh facets that should have been Joined into a few meshes. Rhino won’t let you Explode meshes into individual facets f…

This sounds quite promising and yes it is imported model, however much of geometry was turned into polysurfaces, and also the remaining meshes contain low number of polygons. It seems to work very fast in wireframe, only turning the view into shaded this problem emerges. Could i send you the file …

Sure. If it’s not too big, attach it here. If it’s large, use the tool on the Support page to upload the file to support. Fully describe the problem if you use the upload tool so the support tech that receives it will know why you sent it.

Rhino incredibly slow preview in shaded mode

Rhino Rhino for Windows

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Rhino incredibly slow preview in shaded mode

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