3D Systems' (NYSE:DDD) second-quarter earnings results may have disappointed investors focused on the bottom line, but the results were certainly encouraging for the long-term investor. In the video below, Fool.com contributor Steve Heller examines the negativity surrounding the report and explains why it's actually a great thing for the company's future prospects. He argues that if you're a long-term investor looking to get involved in the 3-D printing space, then 3D Systems may make a great addition to your portfolio.

Fool contributor Steve Heller owns shares of Intel and 3D Systems. The Motley Fool recommends 3D Systems and Intel. The Motley Fool owns shares of 3D Systems and Intel and has the following options: short January 2014 $36 calls on 3D Systems and 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.