Import models from 3ds max

i need to import models from max to rhino , but how ?when i import from max like obj The file in rhino be heavy

OBJ for meshes, IGES for Nurbs surfaces!
If your files are heavy, it is because you’re exporting high-resolution meshes or huge amounts of meshes! Both won’t be practical to manipulate in Rhino/Grasshopper.

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I don’t mean to hi-jack this thread, but is there a preferred/recommended way to go the other direction and import rhino objects in 3dsmax? Would IGES still be the best?

I use .obj both ways. Works well as long as geometry is meshed.

The same applies vis versa. Surfaces as IGES and Meshes as OBJ.