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I'm not sure if I can ask this kind of question here and if not then I will delete it, but I've been having trouble with rendering my scene. I use Cycles, 512 samples, plenty of light bounces, 5 film exposure, and default color management. Still, this render looks distinctly computer-generated. All the materials are, at least in my opinion, photorealistic, so it must be the lighting or maybe composition? I'm not exactly sure which is why I want some help. Any ideas?

render itself

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  • $\begingroup$ maybe try to add volumetric? Also a bit of bloom so that your neon are not completely square? $\endgroup$
    – moonboots
    Feb 27 at 16:27
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    $\begingroup$ I think it's just a lack of clutter. Strikes me as odd that you have a room with just one thing in it like that - and the one object you have is too perfect. Add some boxes or something in the background maybe? Or have some of the wall paint chipping off/aged. $\endgroup$
    – Onyx
    Feb 27 at 17:20
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    $\begingroup$ No 'backstory'. Look really hard at references online and in your neighbourhood. Note features, OK. But go one step further. Work out how the features got there Why they are exactly as they are / where they are. $\endgroup$ Feb 27 at 18:34
  • $\begingroup$ You are seeing the 'perlin noise' $\endgroup$ Mar 16 at 6:19

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Your brain is sensing the 'sameness' of all of the color variation you've introduced through the use of the Noise Texture node.

enter image description here

You simply need more layers and variation in size and frequency to break up the slightly regular pattern that perlin noise produces.

Here's a pretty simple example with some randomness built in for each individual object the shader is put on. Some color ramps would go a long way to make the effect more noticeable.

enter image description here

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Your main problem is with the composition of the scene.

check this video:Blender Guru Understanding Composition

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