force 2 side

V-Ray for 3ds Max V-Ray for 3ds Max :: General
1

i have some troubles with vray material and dwg mesh. when I render I can see black faces ( vray 1.09)

And vray 1.45?

Fabrizio

2

try flipping the normals of the face.

3

in global settings there is a setting there which you can increase by a tiiiiny bit to be able to get your coplanar problems to go away