I am trying to create a scene where the reflection of the pumpkin and the lights can be seen in the floors surface, but for some reason when I render it goes weird and goes really noisy. Is there a setting I can change to fix this, as I want a realistic reflection. It even happened like this with the bump map on the pumpkins surface.

It looks like this. enter image description here

Any help would be great thanks!


1 Answer 1


Without looking at the nodes for the floor it's hard to be sure, but it looks like you gave the floor material a little bit of Roughness, which creates noise that becomes "blotchy" when the Denoiser tries to fix it.

Options you can try:

  • Set Roughness to zero (unless you really really wanted it)
  • Increase the samples of your render (if you can wait)
  • Stop using the built-in denoiser and use the compositor Denoiser instead (if you can't wait AND need the roughness to stay the way it is)
  • $\begingroup$ Thanks for the help I will try this, much appreciated! $\endgroup$ Oct 31, 2020 at 18:04
  • $\begingroup$ Let us know if it worked! $\endgroup$
    – CBarr
    Oct 31, 2020 at 18:08
  • $\begingroup$ It worked thanks mate! $\endgroup$ Nov 2, 2020 at 19:43
  • $\begingroup$ @MarkByford Awesome! $\endgroup$
    – CBarr
    Nov 2, 2020 at 20:08

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