Using a process called photogrammetry, I was able to convert series of still photographs I took of ice and rock formations with my digital camera into 3D files. The 3D file is a re-creation of the object as a surface made up of little triangles, which is generated when I upload the photos to the photogrammetry software. With further editing in a 3D modeling program I prepare it to be fabricated on a machine that can read 3D files — either a 3D printer or a CNC router. The process of making one of the ventifact sculptures is shown in a video posted on YouTube.
Please inquire to see source photographs or screenshots of 3D scans in progress.