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Question:How to mount grating in 3D printed smartphone spec?

robert_winkler is asking a question about general: Follow this topic

by robert_winkler | January 30, 2018 23:48 | #15647

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?
Best regards,



Wow! I didn't knew this printable. Thanks!

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Hmm, can you upload a good resolution pic of your device so we can see?

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