The custom prosthetics and orthotics market is shaping up to be the next place where 3-D printing is headed. Companies like Stratasys (NASDAQ:SSYS) and 3D Systems (NYSE:DDD) have increased their exposure to this multi-billion-dollar industry. In this video, contributor Steve Heller sits down with The Motley Fool's Erin Miller to discuss why this is another area where 3-D printing is changing the landscape and how it could lead to billions in new revenues.

Erin Miller owns shares of 3D Systems. Motley Fool contributor Steve Heller owns shares of 3D Systems. The Motley Fool recommends 3D Systems and Stratasys. The Motley Fool owns shares of 3D Systems and Stratasys and has the following options: Short Jan 2014 $36 Calls on 3D Systems and Short Jan 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.