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I’m trying to make this grill-like-fence-thingy, but it seems like the material’s reflection is un-uniformed. Is there any cause regarding this? Is it the uv mapping? (Yes, I have overlapping uvs, and it’s said in the output log)
Okay first things - does your grill material have any specular? If not add in some - also turn your roughness right down. Then go in visual effects and grab a reflective sphere
Ah sorry, forgot to insert the settings. Yes, I do. Here it is.
If there’s any optimization suggestions, it would be really appreciated as I’m a real noob at unreal.
Okay try these settings: Metallic 0.2 specular 1 Roughness 0. Then grab a point light and place it near the grill. Also you will need to grab a reflection sphere. At the moment your material for reflections is way too rough - material units usually go between 0-1
0 being really shiny and 1 being super rough 0.5 is in between
also change your colour to a light grey/grey - full black materials don’t always work too well.
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This is with metallic 0.2, specular 1, and roughness 0.3xxx. Can’t go fully reflective though, as the real life material also reflects light in that way
See here : Redirect Notice
Also, dark grey didn’t produce that much of a difference ( the issue still exists )
Oh and what’s the use of reflection capture things anyway? Are they mandatory in near every reflective material to implement GI?
Okay I loaded up unreal as hard to tell you via text - this is the most extreme reflective result I could make. Unreal doesn’t do reflections very well this is one of the major limitations of the engine. The reflective capsule acts like a mirror just bouncing ambient light, background elements and colour - its for aesthetics so just play around with its position near the grill.
from here you can play around with roughness to get a more realistic metallic effect. like gradually bringing it up e.g 0.1, 0.2, 0.3 and so on
Ah so it’s simply the limitation of the engine. Alright, thanks for your detailed help!
Thanks glad it helped 
If get moment could you mark one of my responses as answered as really helps me and closes the question to others.
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