I guess if you had 2 separate icons on the toolbar, one for material selection and one for region render setup.

as Maestrorobertus said, clicking once on the render region icon activates region selection (the icon could highlight in this mode). Once the user has selected a region it, the render ...

Hi,
Is there going to be any Black Friday discounts for Octane render, for upgrades, plugins.
I'm keen to get a plugin so this would come in very handy!