In the following video, Motley Fool industrials analyst Blake Bos talks about some of his takeaways for 3-D printing investors from the annual CES trade show. He discusses how 3D Systems (NYSE:DDD) has updated its popular Cube printer, and how two companies are currently vying for the low-end personal 3-D printer space, 3D Systems with its CUBEX, and Makerbot with its Replicator 2X. He gives us a comparison between the two systems and tells us his pick of the two. Finally, we hear what the big things to watch for 3-D printing investors will be from here on out.

Blake Bos has no position in any stocks mentioned. The Motley Fool recommends 3D Systems. The Motley Fool owns shares of 3D Systems and has the following options: Short Jan 2014 $55 Calls on 3D Systems and Short Jan 2014 $30 Puts on 3D Systems. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.