In this part of the Motley Fool's "Ask a Fool" video series, industrials analyst Blake Bos takes a question from a Motley Fool reader, who asks, "Which 3-D printing company do you see having explosive gains compared to Xerox and their 2-D printing machines of the last few decades?" While 2-D printers have been something that consumers could use for a multitude of reasons in their everyday lives, Blake notes that 3-D printers remain a much more niche-oriented product, and many models are still prohibitively expensive for the average consumer. He also says that while no one can accurately gauge which company will have the best performance for investors over the long term, there are still smart ways for investors to get exposure to this space today.

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