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A book of First Class stamps <a href=" http://www.festivalofarchives.org/adverse-credit-loans-uk/#poison ">payday loans chattanooga tn</a> Wittbrodt was introduced to the idea of 3-D printing a year ago while doing research as an engineering graduate student at Michigan Technological University. Since then, he's become an expert in the field, writing his master's thesis on it, building his own 3-D printer at home and even running his own 3-D printing business.
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