High-res images from multiple perspectives should be sufficient. If you have a consumer drone, this product (no affiliation) is extremely impressive: https://w

High-res images from multiple perspectives should be sufficient. If you have a consumer drone, this product (no affiliation) is extremely impressive: https://www.dronedeploy.com/ https://www.dronedeploy.com/ You basically select an area on a map that you want to model in 3d, it flies your drone (take-off, flight path, landing), takes pictures, uploads to their servers for processing, generates point cloud, etc. Very powerful.