Requires Blender and imagemagick (command line tool for batch image conversion) or another tool for converting .dds into .png. The provided Instructions are for Blender + imagemagick though.
(Instructions inside the script file as comments)

I created 10 Smart materials for testing. They showcase how to achieve different effects (transparency, metal, glow,...) and may therefore help you to get an idea of how to create your own. See mod description page for more info.

All cube maps form Skyrim converted to HDRIs to be used in Substance Painter (fixed)

All cube maps from cALAMIN's HD cubemap mod converted to HDRIs to be used in Substance Painter (fixed)

Converted HDRIs for the Custom Cubemaps of https://www.nexusmods.com/skyrimspecialedition/mods/58817 by fadingsignal

The example Objects can only be acquired via console or with AddItemMenu (https://www.nexusmods.com/skyrimspecialedition/mods/17563)
You can also look at the nifs in nifscope to see how the Textures exported from SP are applied and how shaderflags are set

An experimental version of a shader, that mimics the multilayer parallax shader type of Skyrim, for Substance Painter.