• phx@lemmy.ca
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        1 年前

        And once you’ve got the QR codes on, you setup a pi with a camera than can read them and give you the results, maybe with a red/yellow/green LED for age :-)

        • kattenluik@feddit.nl
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          1 年前

          Using an entire SBC for that seems kind of overpowered and unnecessary, just a little microcontroller or your phone will do!

        • Footnote2669
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          1 年前

          Add a scale spool holder and have an excel sheet automatically updated and make it warn you whenever you slice a model

    • FuglyDuck@lemmy.world
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      1 年前

      I use white sharpie crayon-pencils (the grease pens with the paper you peel back a section at a time). Write it write on that reel.