light passing through angles with sketchup geometry and lumen

Development Rendering
1

Hello
i’ve an issue with walls made with sketchup : exterior light is passing through walls on when walls intersect, in all angles. I tried to group geometry, make theses groups cross… no way
If I use path tracer, no problem.

The only solution was to add primitives planes to replace my sketchup geometry, and then it sometimes works.
Do you have any idea to fix this?
Thanks

2

Hello and thank you for reaching out. If you are using .skp to import in Twinmotion, try .Datasmith for better results. For more information on how to use Lumen with a file coming from Sketchup, please see this [documentation]
(Using Lumen Global Illumination).

Thank you

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