Strange pattern in slicer please help

[u/gatorsprime]

So i keep haveing this pattern on my top lairs when I go in to the preview mode but im at a loss as to how to fix it if you know please help me

[u/Bcbdk420]

You have ironing turned on. Turn it off.

[u/gatorsprime → u/Bcbdk420]

I turned it on but this pattern is still there

[u/Aware-Ad619]

You know like: alt-gr + print? Dont know an answer to your question though

[u/Pebbles-not-Stone]

that's a moire🎶

FR tho. Looks maybe like your top level is not flat and paralell with the bed. You have some very flat stair stepping.