Hey there. I'm currently trying to render in Keyshot and I keep getting this strange spiky shadow effect. I'm not sure exactly why, but it might be because of the models I'm using? I've already increased the shadow quality to 5.
Would you be able to share this KSP for some testing on our end?
I would love to get a chance to see if we can resolve this issue for you.
Luxion makers of KeyShot