Image-to-3D generators are deeply opinionated about the photos you feed them. Get the camera, lighting, and background right and even a 2018 phone produces clean printable meshes. Get them wrong and a 50 MP DSLR produces blobs. This guide is the practical setup: what gear is enough, the lightbox you can build from a cardboard box, and the photo-orbit pattern that consistently works.
Object on a turntable in front of a plain white background. Two diffused lights at 45° either side — or shoot under an overcast sky outside. Phone on a tripod or stack of books, in the 2x telephoto lens, framed so the object fills 70% of the frame. Spin the turntable, photo, repeat 8 times for a full orbit. Done.
Any phone from the last 5 years is fine. Important nuances:
You do not need a DSLR. The most common limit on image-to-3D quality is lighting and background, not sensor size.
Image-to-3D generators bake shadows into the mesh as geometry. A dark shadow on the underside of a chin becomes a literal indentation in the mesh. Goal: even, diffuse light from at least two directions .
See Image-to-3D best practices for the full background discussion. The short version:
Even if your generator only accepts a single image, taking the orbit and picking the best view is a good habit. Some generators accept 4 or even 8 views, which consistently outperforms single-image for asymmetric objects.
Eight equal-spaced marks at 45° intervals around the turntable edge saves you eyeballing rotation amounts. Cheap and saves a re-shoot when one of your 8 turns out to be at the wrong angle.