Created by: portnov
This is a third attempt on "mirror mk2" node, plus "symmetrize" node. Previous efforts: #2466 , #2586 .
Preflight checklist
Put an x letter in each brackets when you're done this item:
-
Code changes complete. -
Code documentation complete. -
Documentation for users complete (or not required, if user never sees these changes). -
Manual testing done. -
Unit-tests implemented. -
Ready for merge.