My materiel lets light thought

Hi i try to make a little digital light lab, but the walls let light though, i tried with a solidify m, and also applied it. lightLAB.blend (747.4 KB)

would be a dream to get some help


Hello your Lamp size is bigger then your geometry

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thanks for your reply!

but on my computer the lamp is super small!, i work on the smaller of the two boxes, just wanted to see if the problem got fixed by scaling up

Screenshot 2021-02-15 at 14.32.52|309x500](upload://51SVvuPRIRpWOLYVNCFqEE18yj2.jpeg)

sorry i cant see your screenshot