Over the last couple of years, awareness about 3-D printing has absolutely exploded. It has gone from a relatively sleepy industrial prototyping process to one that offers the potential to completely revolutionize how the world makes just about everything. While the merits of this manufacturing potential can certainly be debated, the stocks that are focused in the space – for the most part – have absolutely exploded in the past year. 

DDD Chart

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As a beginning 3-D printing investor, it can be intimidating to get a sense of where the industry is heading, and to find the right ways to invest in the space. In the following presentation, 3-D printing analyst Steve Heller helps investors get an understanding of the technology and its growth prospects, and highlights five stocks to watch: 3D Systems (NYSE:DDD), Stratasys (NASDAQ:SSYS), ExOne (NASDAQ:XONE), voxeljet (NYSE:VJET), and Arcam (NASDAQOTH:AMAVF).

Fool contributor Steve Heller owns shares of 3D Systems and ExOne. The Motley Fool recommends 3D Systems, ExOne, and Stratasys. The Motley Fool owns shares of 3D Systems, ExOne, and Stratasys and has the following options: short January 2014 $20 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.