Here is a smartphone connected 3D printer with an infinite Z-belt that lets you bring your designs to life with less effort. The SainSmart INFI-20 Belt 3D Printer comes assembled and leveled right out of the box. It has a 45-degree print head and 200mm×180mm×∞mm build volume.
The SainSmart INFI-20 has an elegant control panel with a clear display and knob control . With its ESP3D Web UI and OctoPrint API, you can connect to this printer from your iOS device or a web browser. The INFI-20 3D printer also has a layer test that lets you run a quick test to make sure everything is in order.[where to get it]