Digital twin company Geopipe offers a free 3D model of New York City, with its real-life buildings, terrain, and streets. You can download any part of the city in FBX, OBJ, DAE, GLTF/GLB, and OSG formats to use in other software.

To get the customizable and interactive model, you will need to create an account, which gives you free credits every month. Use the currency to download the city or its districts.