Companies in the 3-D printing space such as 3D Systems (DDD -21.39%) have fast become an exciting investment opportunity as the technology looks to disrupt manufacturing as we know it. But now, an idea on the popular crowdsource-funding website Kickstarter may threaten in turn to disrupt the 3-D printing space. In this video, Motley Fool industrials analyst Blake Bos tells investors how a device called Filastruder may entirely disrupt consumer division profits in the 3-D printing space and what investors will need to follow with this story.