SketchUp's 3D Warehouse offers an extensive, free 3D model library. The user experience has been updated to work seamlessly with a unified look between the desktop, mobile, and web interfaces.

3D Warehouse has many great 3D models and many models of great building. But finding great buildings that also have great models is not easy. See also the notes after the links.

New features for SketchUp 2025 include improved materials and environment lighting, plus better Revit and IFC ...