The UPS Store has agreed to a deal with Stratasys (NASDAQ:SSYS) to install its uPrint SE Plus 3-D printers in a select number of UPS stores in the U.S. Meanwhile, 3D Systems (NYSE:DDD) reported earnings, and delivered another very strong quarter for investors. In this video, Motley Fool industrials analyst Blake Bos takes a look at whether the UPS deal will move the needle for Stratasys, explains what he looked for in 3D Systems' earnings, and points out what investors should be looking for in these two companies.