While straight digital manipulation may not work as well (colors/contrast based) - those with newer phones can use the 3d depth sensors to do this without any e

While straight digital manipulation may not work as well (colors/contrast based) - those with newer phones can use the 3d depth sensors to do this without any extra tools May have to turn your phone around so the face / depth sensors face the stone, but I just tried this with Scandy (free tool) and it totally works. Pretty cool! Scandy: https://apps.apple.com/us/app/scandy-pro-3d-scanner/id1388028223 https://apps.apple.com/us/app/scandy-pro-3d-scanner/id138802...