df3d has done it again, rocking the 3D printing industry with a new tool--this time in the form of an app that allows for calculations of how much it will cost to 3D print a particular 3D print. Available now only to 3D printing service providers, the Quote 3D app is user-friendly and can be downloaded from the Google Play store. Read more at http://3dprint.com/109616/df3d-quote-3d-app/