Hi candle-natural,

The Thicken Object might be the option you are looking for.

Please have a look here
https://stcineversityprod02.blob.core.windows.net/$web/Cineversity_Forum_Support/2024_PROJECTS_DRS/20240122_CV4_2024_drs_24_RSth_01.zip
I have set the size of the textures to show how independent they are.

It allows the setting of three different Polygon Selection Tags.

All the best