Yup, this is called shape from silhouette. Quite a lot of research on it over the years:
https://www.cvg.ethz.ch/teaching/compvis/2011/lecture/vision...
EDIT: Better link
https://www.cvg.ethz.ch/teaching/compvis/2011/lecture/vision...
EDIT: Better link
For a less detailed/easier to use process, you can also try Regard3D: http://www.regard3d.org/