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colleran, thank you for the information. I followed some of your posts and discovered that there is a 3D printing board. Perhaps I'll see you there. Haven't had a chance to visit there yet but I'd like to look into companies that actually build 3D printers, if they exist separately from the software companies.
And, yes, it's amazing that an industry as big as railroads hasn't incorporated computerization into some of their most basic functions.
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