While 3-D printing is pretty interesting, there are still many limitations (on top of the price). Many 3-D printers use additive processes that can create imperfect surface finished, brittle products, and manufacturing defects. Which is not a big deal when printing up a chess set, but could cause problems with wider usage of 3-D products in every day life. Many companies are creating new methods to overcome these limitations. One example is Carbon, a company that has created a high-end 3-D printer that works on the same basic idea as the OLO phone printer. Light is used to hardened chemicals that are pulled out of the resin to create accurate finishes, stronger products, and more complex possibilities – all in a fairly fast process. This is still expensive for now, but if we are soon going to get $100 versions that use our phones, I bet the cost is coming down soon.