For 3-D printing companies, producing in the stock market hasn't been easy - CNBC

3-D printing companies including Stratasys, MakerBot and Shapeways have accomplished a lot with industrial and consumer technology, but not in the stock market.

In this weekly series, CNBC takes a look at companies that made the inaugural Disruptor 50 list, 10 years later. The industry of 3-D printing started with creating trinkets and toys, but it is slowl… [+5047 chars]

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