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The power of CADspan is the geometry resurfacer ; a new approach to file preparation for 3D printing. Rather than assume that the input data has been created with a solid modeling program and the file might need repair, repositioning, slicing or scaling, CADspan simply takes the approach that what you see on your screen looks like a model that should be printable. The CADspan engine uses your geometry to perform a virtual 'shrink-wrap' and outputs an entirely new STL file that describes the exterior of your CAD file.
2 weeks ago Father Christmas delivered a MakerBot Thing-O-Matic 3D Printer to my office. I think I understand how it must have felt to own an Altair 8800 back in the day when the world was on the brink of the consumer computing revolution.
If you hear "maker culture" and instantly think of grease-stained weirdos who drone on about steampunk and "screws not glue"... well, you wouldn't be wrong .