Uploaded October 2021 | Updated September 2026, 3 weeks ago

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Completely unpractical dot matrix display driven by two hobby servo motor. The transportation of dot (airsoft pellets, so-called BBs) is realized by marble maze (ball rolling maze) principle.

3D data and codes are at
thingiverse.com/thing:5021919

My works on digital fabrication:
shiura.com/dfab/index-en.html
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