by Think3dPrint3d, published
This is a derivative of the PanelMax Prusa - http://www.thingiverse.com/thing:21135 by TommyC. It adds a couple of small pots for LCD brightness and contrast, along with changing the size of the reset switch to small and low profile.
Quick video of it in action here: http://youtu.be/6dPR84LiO9Y
The click encoder, pots and reset switch are mounted on a breadboard within the enclosure which has expanded to fit them.
As the name suggests it was primarily designed for Sanguinololu - it moves the SDSL card reader: www.reprap.org/wiki/SDSL from the ISP and top of the expansion header into the case and uses every other free pin on the expansion header.
Having recently built a Mendel 90: http://reprap.org/wiki/Mendel90 I am a convert to ribbon cables so this design uses a single 22 way ribbon cable from the expansion header+isp header to the enclosure. Obviously you can use a different connectors on the end to connect it like the PanelMax to RAMPS or other electronics.
Update - works with Printrboard, see: http://blog.think3dprint3d.com/2012/07/panelolu-with-printrboard.html for details
Check out http://blog.think3dprint3d.com/2012/06/panelolu-in-depth.html for more info
Kits available on emaker: http://www.emakershop.com/browse/listing?os&l=301 and ebay http://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=m570.l2736&_nkw=reprap+panelolu
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Detailed build instructions here: http://blog.think3dprint3d.com/2012/06/panelolu-in-depth.html
UPDATE #3 - I have re-uploaded the files after tweaking the hole sizes and the strain relief. I have printed over 20 of these now and feel its time to take off the "work in progress" status
UPDATE #2 - Mistake in commenting meant the previous update did not have the hole in the prusa lower mount clamp - scad and stls fixed now.
UPDATE - If you downloaded the panelolu.scad or panelolu front_left.stl, I have updated the files due to an error that had the letters reversed and a couple of other problems that are now fixed.
The firmware changes required to Marlin to make it work are documented on this blog post: http://blog.think3dprint3d.com/2012/06/sanguinololu-lcd-and-rotary-encoder.html
OpenSCAD file now available.
The knob is tommyc's adaptation of this: thingiverse.com/thing:17404