DCC and engine workflow: define where Substance 3D Painter will be used and what coordinate policy must prove there.
Preserve the untouched Substance 3D Painter asset and record unit scale before changing geometry, materials, textures, hierarchy, or metadata for coordinate policy.
For Substance 3D Painter coordinate policy, Keep the source file, export preset, destination screenshot or log, and reviewer decision. Product, marketplace, regional, and compliance decisions still require the responsible specialist.