The library (Mobile texture pipeline exercise)

An attempt based on the asset limit requirements (texture number, texture resolution) of mobile game development.
All 3D models come from Substance3DAssets
Three materials (except painting) are used.(Basecolor/Roughness/Normal) All furniture share a set of textures.
The texture size in all screenshots and video presentations is 512 * 512, Decals are not used in the scene.