Data card
thingiverse
This object represents data in a grid on a rectangle using different heights to encode values. It is not intended to serve any useful purpose. The data encoded in this example is the OpenSCAD source itself.
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With this file you will be able to print Data card with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Data card.