Hi, I built the https://www.thingiverse.com/thing:125904 and cut a DVD piece ~ 1x3 cm as grating ...
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robert_winkler asked on January 30, 2018 23:48
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Hi, I built the https://www.thingiverse.com/thing:125904 and cut a DVD piece ~ 1x3 cm as grating foil.
Unfortunately, I don't get rainbow spectra, but just 'noise'. Any recommendations on how to mount the foil?
Wow! I didn't knew this printable. Thanks!
Hmm, can you upload a good resolution pic of your device so we can see?
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