Interlocked 3Color Civil Defense CD Logo

Cold War Era CD Logo with interlocked segments. Useful for Sirens, Control Panels, or maybe Contest Directors?
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updated January 28, 2025

Description

PDF

I wanted the Civil Defense Logo to be flat and continuous in appearance not 3 steps or 3 layers like Stephen1424 in Thingiverse. Using the files as a template I created the following:

  • A blue circle (blue filament) with a triangular hole in the middle
  • A white triangle (white filament) with holes for the C and D letters
  • A Red C (red filament) ; A Red D (red filament) with a center small D hole
  • A white small D (white filament) that fits into the Red D letter

I printed the color/segments separately (filament changes) and assembled them as one unit and use CA glue to attach them. In my case they are the Logo for a “Mini Siren” electrical control box for my grandson.  Yep, he is a siren enthusiast. 

Printed in PLA and 3 colors. Does not require supports. Can be sized to your needs. Quick print. Kids really love it. Enjoy.

 

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Model origin

The author remixed this model.

Civil Defense Badge
by Stephen1424 (thingiverse.com)
 

Differences of the remix compared to the original

The original design had three distinct levels on top of each other. In my remix I created shapes that nest or insert within each other to produce a continuous looking Logo. With the precision of the PRUSA and the slicing software, it is almost impossible to tell these are printed as individual segments.

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