Awesome! They're just standard 1cm x 1cm ones. They don't fit amazingly in LEGO so I'd love to figure out a 3d-printable holder!
Public Lab contributor joquendo just asked a question entitled ' What size cuvettes are used for the lego spectrometer?':
Help them by posting an answer here: https://publiclab.org/questions/joquendo/05-11-2019/what-size-cuvettes-are-used-for-the-lego-spectrometer
I built my spectrometer with spare Lego parts I had, but now I need to know what size cuvettes are used so I can source the right ones.
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