Here are a three different intersections of 3D scanning, 3D printing, and CAD along with a few words on how well each can be expected to work.

Got something you want to scan in 3D? It turns out you can use your iPhone with apps like Qlone, Scandy Pro, and Polycam, without any special hardware.

Not all 3D scanning is alike, and the right workflow can depend on the object involved. [Ding Dong Drift] demonstrates this in his 3D scan of a project car. His goal is to design custom attachments… ...

You can get impressive and high-resolution 3D scans out of this relatively inexpensive scanner.