Bowling power

[Djim]

I still have problems with impurity in cycles, I don’t really know why, I had a lot of fun making this scene anyway

[NP5]

It is called noise. You can use the denoiser tick box. Or more samples, though that takes longer to render.

Good Whole alley view.

[Djim]

@NP5

Thank you very much for your answer I will look into it

[Djim]

I just switched to compositing, and I applied the Denoise, it works great ! Thanks a lot for your advice !