MatterHackers is one of the largest and most trusted online resources for materials, boasting over 350 standard, exotic and exclusive styles of filament. They distribute over 40 types of 3D Printers, with free shipping and lifetime support. From software, to supplies, to printers, they are working to enable people to turn the ideas they have into the things they use. They provide software, MatterControl is an open source desktop 3D printing software platform, created by MatterHackers and compatible with most 3D printers. Download for free at www.mattercontrol.com.