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A project log for DEC Precision CRT Display Type 30 Reproduction

Obsolescence Guaranteed just released their new PiDP-1 Replica. While I wait for mine I thought I would make a 2:3 scale Type 30 Display.

michael-gardiMichael Gardi 09/16/2025 at 15:080 Comments

The modeling went well. While I was waiting many many hours for the printing to finish (even a 2:3 scale the front of this monster monitor is about 16" x 14") I decided to make the logo that appears in the lower left corner of the display. 

I took two cracks at making the logos by modeling then 3D printing them. On my first try I created the logo at 2:3 scale. As you can see from the smaller version above the fidelity is not great. Creating text using a .4 mm nozzle is not the easiest. So I upped the size to 1:1 scale. Much better but even at this size I had to make the "EQUIPMENT CORPORATION" text a little larger than the original. Still I'm pretty happy with it. I might try again at some point by laying out the logo in Inkscape, printing it on a matte transparency, then using clear two sided tape to mount it (a technique I have used successfully in the past).

So here is a little tease of what's to come. 

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