How to solve this bad texture ?

Question

Hello

Could anyone explain why this problem happen ?

I experience bad surface in Cycles but it looks fine in EEVEE

1. I try to checked normal

2. Already merge by distance

But problem still there

What's wrong ? Is there any way for quick fix this surface ?

Thank you very much

Answer 1 · 2021-08-30T12:41:55Z

replied August 30, 2021 12:41pm

Hey kwin ,

Have checked the material itself?

Can you share the file via dropbox or similar to take a closer look?

Answer 2 · 2021-08-31T14:19:40Z

replied August 31, 2021 2:19pm

Hi Adrian
Thank you very much for helping.
Yes, finally I can fix it by checking material and delete duplicated mesh.

Then problem is solved.