• @XTL@sopuli.xyz
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      3 months ago

      That was my first thought. It shouldn’t be too hard to expose different areas to the electrolyte for a time and do a different voltage for each.

      Haven’t seen that, though. And the choice of colours isn’t quite arbitrary, but it should be possible to do some things.

    • Transporter Room 3
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      13 months ago

      You can, but it’s way more expensive and uncommon, so I just assume it was made the cheap way