IoT + Digital Twin New Engine! This Open Source Ecological Project is Quite Good

No need to manually write position/rotation/scale parameters — just drag a model into the scene and adjust its position, rotation, and size directly on the interface; what you see is what you get.
GIGAZINE

The Tokyo Metropolitan Government has released the 'Tokyo Digital Twin 3D Viewer,' which allows users to view 3D data of the 23 wards of Tokyo for free in their browsers.

Access the above website and click on 'Tokyo Digital Twin 3D Viewer (beta version).' The Tokyo Digital Twin 3D Viewer will open. Click 'Agree'. The map and 3D data of buildings are displayed. This ...
GSM Arena

GSMArena labs: the viewer for 3D phone models is now easier to control, accessibility improved

Five years ago we partnered with Binkies 3D to bring you 3D models of the most popular smartphones, then a couple of years ago the 3D viewer gained a side-by-side comparison mode that allows you to ...
Ars Technica

Safari Can't Render eDrawings 3D Model Viewer: AJAXFailure: FIXED!

eDrawings/Dassault provide the free eDrawingsViewer to enable viewing of 3D models (typically .sldasm/.sldprt, step/.stp or .iges) without requiring the expensive authoring apps such as SolidWorks.