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You can also 3D print the frame https://www.thingiverse.com/thing:2552383
Blinkytape has its own graphic pattern import program https://blinkinlabs.com/blinkytape/patternpaint/. You can convert any image to Arduino code. Here are the 144x36 patterns I used. Making dodecahedron with one-way glass mirror is definitely better since you can put in the LED on the frame before you put in the mirror. Also, one-way acrylic mirrors are less fragile than glass. But of course much more work. Good luck.
That is a wood frame homemade dodecahedron. But I can't take credit for the video.
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