substance painter to marmoset a weird shades in metallic surface. Need help!

joeljoy

hi. I'm a rookie. I was texturing this gun and when i was checking this in marmoset .I found there is a weird shades in the metallic parts of the gun and the wood parts look fine. Its only visible in marmoset. I tried using the high render options, different lights but its there. Am I doing something wrong here.
 

Kanni3d

could be quite a few things, but my first guess is that it looks like broken normals due to difference in triangulation. Are you using the very same mesh that you texture with inside of marmoset?

lluc21

That looks like banding on the Normal Map. When baking make sure to bake the normals on 16 bit.

lluc21

Also export from substance in 16 bit or 8 bit dithered at least in order to avoid banding

joeljoy

Kanni3d said:

could be quite a few things, but my first guess is that it looks like broken normals due to difference in triangulation. Are you using the very same mesh that you texture with inside of marmoset?

this is same mesh.

joeljoy

lluc21 said:

That looks like banding on the Normal Map. When baking make sure to bake the normals on 16 bit.

ya you're right. I re-exported it in 16 bit and it look fine now. Thanks a lot

ZacD

You can also try to limit the difference between the shading on your low poly and high poly models to minimize how hard your normal map needs to work.
Game engines are going to exaggerate the problem after the textures get compressed.