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Monday, January 1, 2018

K40 GLCD Control Panel Housing




My K40-S conversion includes a GLCD and its adapter. After looking at multiple 3D printed enclosures I decided to design one that I could make from 1/4 MDF using my manual mill. I find making one of something is still faster on my mini-mill than traversing the entire tool chain to get to my laser cutter or CNC router :).

More information on the GLDC and its install with Smoothie is here:
http://donsthings.blogspot.com/2016/06/k40s-graphics-display.html

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Your donations help fund additional research, tools and parts that I will return to the community as information.
For other information on the K40-S build use the  K40-S BUILD INDEX with schematics. 

The design

I did the design in SU and it is posted here:



The design layers a top, bottom and 3 frame components.
I CA glued the frame components to the top, they act as spacers allowing the electronics to be sandwiched between the top and bottom plates.


  1. The parts were made using 1/4 MDF milled by hand then sanded and painted. Note that clearance had to be milled for the connector pins and the back light which protrudes to the side of the LCD. These features are incorporated in the CAD model.
  2. The panel sandwich uses 2x #4 screws for the top 2 holes and 2x #4 all-thread cut to size with acorn nuts for the bottom 2 screws. #4 nuts are used on all 4 screws.
  3. The top two screws are counter sunk into the top surface with a nut on the back holding the assy. together.
  4. The bottom 2 screws are longer and go all the way through the assy. and into the controller box. These screws hold the panel to the controller box. The panel ends up sitting at an angle since the top two screws nuts are on top of the mounting surface and the bottom 2 screws are under the mounting surface.

The Panel Components











Enjoy and comment
Maker Don