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[Closed] EditNormals modifier not keeping edits

I have a script which changes the normals of an object, however when i collapse the modifier it appears to lose all changes. It only seems to keep the changes when i do it manually in the viewport, not when i do it through code.

Does anyone have any experience or knowledge of how to fix this?

Even when i run the script and then without collapsing the modifier i run ‘update $’ all the changes disappear…??

3 Replies

do you set the normals to explicit before collapsing the stack ?

No i just did that and it resolved it. Kinda corky workflow but it works.
thank you

makes sense really as normals are, in max, transient and recalculated frequently so in essence you are placing a lock on them so they won’t be recalculated (when you manually do it the viewport the “lock” is added for you)