Sketchfab hosts a vast and continually growing collection of 3D models. As of my last knowledge update in September 2021, it featured over 4 million 3D models. The dataset size may have increased since then, as Sketchfab has a large and active user community that regularly uploads new models.1
Warning
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References
1Liu et al L. Application of Relying on 3D Modeling Technology in the Design of Urban Sculpture. Journal of Electrical Systems. 2024;20(1):176-191. doi:10.52783/jes.675