Displacement bug

Corona Corona for 3ds Max Help Required
1

Hi everyone,

I’m trying to make a rug with displacement, but when I make the image this bug appears, these squares.
But if you make a redner only from this piece, it already appears ok. Can anyone explain to me watts happening:

Thanks

[

](https://ibb.co/VQqmRw3)
[

](https://ibb.co/Chy5KX2)

2

Max and Corona version?

3

Sorry, Max 2020, corona 6 hotfix2

4

If using 2.5D displacement, I would try Corona 7 as many improvements were made to it there :smiley:

5

thank you, i will try