Klayout Library Manager Tool allowing hierarchical editing of layout: <https://youtu.be/0LV-EsS3uOA>...
a
Klayout Library Manager Tool allowing hierarchical editing of layout:

https://youtu.be/0LV-EsS3uOA

And the tool itself here: https://github.com/mabrains/klayout_lib_manger
b
@Peter R. Kinget