A group of MIT researchers have devised a 3D printer addon that can be attached to any standard 3D printer and detect and then print on a different object on the print bed using a laser scanner and some custom software.
Starting with their Solidoodle 3D Printer, MIT students Claudio V. Di Leo, Louise E. van den Heuvel, and Sumant S. Raykar created an add on that uses a laser scanner and a webcam to detect the placement and orientation of an item left on the print bed. Then it can build a point cloud of the object that can then tell the 3D printer how and where to print on it. This means that you could print an object with two materials without needing two print heads or resume printing a job that was interrupted or failed...Read More....
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