Read my second post for updated issue.

Maybe I am dumb or blind, but there's no options for the mod:

Also no config files in config folder.
Minecraft 1.20.1, Fabric 0.15.11, [1.20.1] Isometric Renders - 0.4.5

The mod doesn't seem to have a config in the codebase. Is a config referenced anywhere in the docs? I'm just confused why you opened the issue

Update: kinda dumb.
With big GUI scale right panel is placed under the screen, and without visible scrollbar I had no idea there's more settings down there.