There's a good chance that if you've been invested in the 3-D printing sector over the past year, you've done quite well. One of the best performers has been 3D Systems (NYSE:DDD), rallying more than 150% year to date and easily beating Mr. Market's 29% return.

As 2013 comes to a close, it's time for investors to start thinking about the year ahead and what that may mean for their portfolios. If you're a 3-D printing investor, you're probably wondering which company is in the best position to benefit in the year ahead. Fool contributor and 3-D printing analyst Steve Heller believes that 3D Systems is likely the best 3-D printing investment for the coming year.

The company's diversified approach, established leadership position, and ability to partner for results all play into why Steve believes 3D Systems' business will continue to benefit over the longer term. Check out the following video to hear Steve's full thoughts on the matter and why investors should also temper their expectations going forward.  

Fool contributor Steve Heller owns shares of 3D Systems. The Motley Fool recommends and owns shares of 3D Systems and Stratasys and also has options on 3D Systems. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.