By this point, every serious technology investor is already familiar with the concept of 3-D printing -- but have you ever heard of a machine that lets you take a bite out of your own face? 

From traditional applications offered by companies like Stratasys (NASDAQ:SSYS) and ExOne (NASDAQ:XONE) to experimental printers that can produce a chocolate bar in your likeness, this month's South by Southwest Interactive technology conference was thick with 3-D buzz. 

Check in with Foolish analysts Rex Moore and Lyons George as they discuss the state of this groundbreaking technology -- and the ways investors can get in on it right now -- from the floor of the show in Austin.

Here's a bigger trend than 3-D printing
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Lyons George has no position in any stocks mentioned. Rex Moore has no position in any stocks mentioned. The Motley Fool recommends 3D Systems, ExOne, and Stratasys. The Motley Fool owns shares of 3D Systems, ExOne, and Stratasys. 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.