PanelOne
A simple LCD, Encoder and SD card reader for 3D Printers
Info on the RepRap Wiki: http://reprap.org/wiki/PanelOne
Blog post with more details: http://blog.think3dprint3d.com/2014/08/panelone-lcd-screen-for-33v-and-5v.html
Case design tutorial in OpenSCAD http://blog.think3dprint3d.com/2014/04/OpenSCAD-PanelOne-case-design.html