Intersection of 3D Printing and Sculpture

I have no prior experience with CAD but I am interested in the possible intersection of 3D printing and sculpture. Of particular interest is the possibility of 3D printing coupled with a 3D scanner as a possible way to make sculpture reproducible (or at least lower the CAD requirement).
 
Since most artists can’t afford the costs of most of this type of equipment you have to keep an eye out for lower cost models. This Ars Technica item has the details on a sub $500 scanner:
 

 

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