Despite being filed under "3D models," Pikbest is really a stock-template site: decor and wall-design images plus DWG CAD drawings, not raw mesh files you'd import into a 3D app.
If what you actually need is a finished decor visual or a CAD drawing for a wall/room layout, it's a fast source with well over 100,000 listings in that vertical.
Fits someone mocking up an interior concept quickly, not a 3D artist looking for an OBJ or FBX to place in a scene.
Downloads come as PSD or DWG, not standard 3D exchange formats, so confirm compatibility with your tool before counting on it as a "3D model" source.