Inspect the 3D Model's Geometry/Topology & Materials using SketchFab's 3D Viewer, below.
A vintage-style desk with 4 Texture Variations (1K-4K). Variation #1 contains the leather top (clean & old), and #2 is just wood (clean & old).
You'll get a Blender (2.90+) File with Materials applied, a Textures folder containing all baked Image Textures, as well as an ".fbx" and ".obj" 3D File, exported using default Blender settings.
If using this asset in "Unreal Engine", please remember to check the "Flip Green" option in the Material/Texture Settings for the Normal Map, as Blender (where rendered) uses a different native format, compatible with "OpenGL", not "DirectX".
Modeled in Blender, Textured with Substance Painter