In the following video, Motley Fool industrials analyst Blake Bos takes a look at Stratasys' (SSYS 0.86%) earnings report. While the company beat analyst estimates and gave stronger guidance than expected, Blake points out that with a stock like this with such a long-term investing thesis, we're going to want to look at more long-term measurements of success than just a strong single quarter. He tells us what he likes about the company's ideas on expanding its offerings, and what he wants to see in terms of its research and development. Blake also identifies his favorites in the 3-D printing space, as we start to see all the ways in which this new technology might be adopted.