LCD Keypad Box

by TeamTeamUSA, published

LCD Keypad Box by TeamTeamUSA May 5, 2010

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Update 02010-05-18
New STL file uploaded: KeypadBoxV2.stl. Better tolerances so less clean up. 6mm taller so that bottom panel fits. Added instruction to replace straight header on keypad with right-angle one so that box can be lower-profile.

Update 02010-05-06
New STL file uploaded, KeypadBox04.stl. Keypad opening in previous version, KeypadBox03.stl, was rotated 90°. :P

A Makerbot Giveaway entry.

Need a box for Revar's excellent LCD Display and Keypad mod? Here's a printable one!

This is an experiment in using different $fn values in OpenSCAD to selectively control the "roughness" of the geometry on different parts. The $fn of the outside of the box is set to 3, while all the holes and openings are set to 60. This gives an overall edgy look to the part without sacrificing functional precision.

I really like the ability to combine a lo-fi trash-punk look yet maintain precision where it's needed in a printable part. I will definitely be exploring this aesthetic further!

More info on Revar's LCD mod: http://wiki.makerbot.com/revarlcd-assembly

More info on OpenSCAD's $fn variable: http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Other_Language_Features



  1. Slice KeypadBoxV2.stl in skeinforge. The other file, KeypadBox04Up.stl is just to show the orientation of the piece in use.
  2. Print KeypadBoxV2.stl.
  3. Clean up strings and holes with knife and drill bits [no drill please!]


  1. Replace straight header on keypad with right-angle one. This requires un-/soldering header from PCB.
  2. Feed one end of cable through slot and attach to keypad
  3. Mount keypad in opening with M2 bolts and nuts

Provide links for header, screws, and bolts.
Upload STL for 1mm bottom panel.
Upload STL for LCD box
Update Assembly instructions to include connecting Keypad and LCD box.

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Do you have a bottom panel ?


i was wondering if you ever got a chance to make the bottom panel or the LCD box?

putting one together now and the keypad box you made looks awesome.