This is a testing site only. See the live Public Lab site here »

Public Lab Research note

Final fold-up mini-spectrometer print files and instructions

by mathew | November 30, 2012 22:19 30 Nov 22:19 | #5071 | #5071

Attached below are the final print and cut files, and pictures of the big stacks of spectrometers that arrived on my porch. With these files, you too can make 2000 spectrometers. For those who just want one, see the 1-page directions, now with a second page with laser-cutting vectors.

new spectrometer directions

I changed the directions around breaking DVDs into diffraction gratings after breaking up a big stack of them. The best way to get a clean diffraction grating is to. separate a quarter of the DVD and then snip a bit out. The previous directions suggested snipping, then separating, which was only effective about 80% of the time, and produced more aberrations in the grating.

snip then separate the diffraction grating:

more spectrometer prep

separate then snip:

more spectrometer prep

Piles of uncut spectrometers: more spectrometer prep

Files Size Uploaded
minispec3-8.pdf 543 KB 2012-11-30 22:16:10 +0000
spectrometer12x18.pdf 1.04 MB 2012-11-30 22:18:34 +0000


Login to comment.