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Bad render of some objects

Hello !

Here’s the issue :

It happens with a few objects in my scene. I tried to isolate shadows on those and putting the lightmap resolution to 150 (and up to 8 lightmaps) but doesn’t get better. Any idea?

Thanks !

Most likely, the meshes of these objects are not smooth and contain duplicated vertices and edges. What 3D tool are you using? If 3ds Max, try welding vertices/edges of the meshes.

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Hi Wojtek, I use Sketchup, unfortunately haha Do you know of a similar technique with Sketchup?

Thanks !

Yes, use the Soften Edges tool: Softening, Smoothing, and Hiding Geometry | SketchUp Help

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Indeed, it’s way better ! Thanks for the tip !