Control panel housing for Mendelmax. With a control panel like this, you can do hostless printing with the Marlin firmware.Short video demo here: http://youtu.be/GwANBxC13QwTutorial here: http://goo.gl/Lk0i6If you don't want to source the parts, you can get my panelmax kit here http://ebayitem.com/150886149485Preassembled panelmax available here ebayitem.com/150848171067You need the following: Click Encoder with switch X 1 - something like http://hk.element14.com/alps/ec12e2424407/encoder-vertical-24-det-24ppr-sw/dp/1520813 20x4 LCD display module X 1 - form ebay Push button X 1 (reset button) SD Card Reader X 1 - I use this one http://www.dfrobot.com/index.php?route=product/product&product_id=163The Knob is form here http://www.thingiverse.com/thing:17404 I just chop off the lower half to fit the panel.