PiDP-11 case extension
Description
Do you have a PiDP-11? Well, *OF COURSE YOU DO!* Because it brings the joy of computers and blinkenlights into the 21st century for all to enjoy. When you’ve built your PiDP-11, you found that there’s not quite enough space between the back panel and the insides to handle those nifty extension cables. You tried to nibble away at the strain reliefs on those USB, HDMI and Ethernet connectors on the back panel, but it’s still not quite enough. So sad.. There was a case extension here on Thingiverse, but when I print it, it’s just a bit too narrow for all the bits to fit comfortably together. It also didn’t have screw holes present. Using that basic design as inspiration, I designed my version using OpenSCAD. It differs primarily in having holes cut through for the 4 mounting screws. It also assumes that you will super-glue together the two halves using the tab on each half. (The other version uses a screw through a tab. I wanted to avoid having a screw out the bottom of the case holding the two halves together, and super-glue works really good on PLA to hold the two halves together. There are STL files for the left and right halves. You can select which half is produced by changing one line in the OpenSCAD file. If you have a large enough print bed, you can have it generate one single piece. In the photos, you’ll see a some “feet” pictured which I printed from https://www.thingiverse.com/thing:4207135 - the holes probably should be offset just a little bit more, but it can be made to work with this case. ** UPDATE 28 August 2021 ** I've added a third STL file which is the case extension in a one-piece, full size version. I recently built a 350mm x 350mm Voron 2.4 3D printer, and the print bed is large enough to hold the entire extension. If you have a bed with a large enough print area, this might be of interest to you. Note that you can generate this yourself by making a small change to a parameter in the OpenSCAD file to select right side, left side, or full size alternative.
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