Unknown reflection on the bottom of the transparent container

[TaChunHuang]

As the title suggests, I have been having this problem for a while... I have tried adjusting all the things with the environment setting/Hide all the other objects in the same scene/adjusting the material itself so on...The only way it was gone was when I applied clear glass material..but I need to apply solid glass tho...please can someone give me some clues? Thanks!

[Anindo Ghosh]

Would it be possible to share the KSP file of your scene?

The problem could be the low tessellation level of the object. If you imported it in a vector format (e.g. STEP) that uses NURBS, you could try re-tessellating it:
- Tools / Re-Tessellate / Tessellation Quality / 0.5.

"Render NURBS" is another option to try, if you are using CPU rendering, and the model is a STEP or other NURB format.

If the model was imported as an STL, such as from Blender, then increasing subdivisions and re-exporting might help.

[DMerz III]

First thing to jump to my mind was Z-fighting, might want to check for duplicated surfaces in the same location. But it could also be irregular normals - you can try re-calculating the normals in Keyshot and see if that helps?

THose would be my first two checks

[Blop3474]

Hello TaChunHuang,

Is it possible to share the 3d model to make some tests ...

Thanks.