The idea of a 3D printer in every home seems a bit more likely with the debut of the Micro -- a small, colorful, inexpensive, user-friendly device. Who wouldn't want to avoid a trip to the hardware store by quickly manufacturing a replacement for that broken little thingamajig? "3D printing is going to change our lives for sure, especially in the medical field," said mechanical designer Alan Lund. The Micro is the latest consumer-targeted 3D printer to generate buzz after flying past its US$50,000 Kickstarter goal this week. It took only 11 minutes for the printer to reach its goal. As of mid-day Wednesday, the Micro had brought in more than $1.8 million from more than 6,400 backers. The Micro is the world's "first truly consumer 3D printer," its makers claim, in part because of its affordable price. Two hundred fifty Kickstarter backers were able to claim the Micro for $199, and another 500 pledged $249 or more to get their hands on one...