foldable
foldable


Author Comment Last activity Moderation
vivek14 "hello " | Read more » about 1 year ago
vivek14 " hello there is no iphone app . sir your question is very useful for all .I am just looking khanapara teer . " | Read more » about 1 year ago
Ag8n "Take a look at the video for the standardization of the instrument. If I read it correctly, with a few changes in the software (they list the code..." | Read more » about 2 years ago
belkinsa "I built mine but haven't tested it yet as I need hunt down a CFL :frowning_face: .... " | Read more » about 2 years ago
baophan448 "I did this! Thanks for the instrution! " | Read more » about 4 years ago
ananyo2012 "Hey Jeff, Thanks for the reply. I will post my updates on replication. I see there are some Pi based upgrades as well. Curious about them as well ! " | Read more » over 4 years ago
warren "Hi Ananyo!!! So good to see you! A4 or letter both work fine! They'll come out slightly different sizes but they both work. " | Read more » over 4 years ago
ananyo2012 "Hi, I am just starting to make the new version of the papercraft spectrometer. What is the ideal size of the paper over which it should be printed ..." | Read more » over 4 years ago
warren "And here is one more; v2.0.10 which has a 0.375" margin on all sides: foldable-2.0.10.pdf foldable-2.0.10.svg foldable-reverse-2.0.10.svg " | Read more » over 4 years ago
warren "And here is version 2.0.9, resized to fit on a 6.625" x 9.375" page, so it's 1.75" wide when assembled, instead of 2". This isn't ideal but it fits..." | Read more » over 4 years ago
joyofsoy "Here's the most recent version of the Papercraft Spectrometer, v2.0.8. This version includes more simplified text, updated links, and a second page..." | Read more » almost 5 years ago
botho_willer "I did this! " | Read more » almost 5 years ago
mimiss "I did this! " | Read more » about 5 years ago
warren "Here's a convenient page to print a black square on the back! https://docs.google.com/presentation/d/1ATMBoR9voChWq-a4fTnyQvniVj2sEyn-ZookA3K-Uts/..." | Read more » about 6 years ago
UHF "DVDs work better with smaller track separation and therefore greater diffraction. " | Read more » about 6 years ago
warren "Hi! There are a few posts exploring this question here: https://publiclab.org/questions/dsvilko/06-13-2017/any-way-to-improve-on-the-dvd-grating ..." | Read more » about 6 years ago
jpschaaf "I never really knew much about spectrometers (and still don't) but I happened on an article about green laser pointers which mentioned that a numbe..." | Read more » about 6 years ago
Swede2 "Oh, that's great. I'm glad the comment was useful. If you are satisfied with your hand built version, I'd recommend ordering the desktop version. I..." | Read more » about 6 years ago
warren "Ooh, good question on the camera! Post a question at #spectrometry and i know people have tried a lot of cameras! " | Read more » about 6 years ago
jpschaaf "By the way, thanks for mentioning the use of electrical tape. Applying that suggestion took my attempt to build one from nearly worthless to vague..." | Read more » about 6 years ago
warren "Great suggestion! " | Read more » about 6 years ago
warren "There may also be some mis-auto-focusing by the smartphone camera. Over-exposure too, but also try getting the focus to lock on the more detailed l..." | Read more » about 6 years ago
stef "Your image is way over exposed. You should be aware that this is an entry level project. The desk top is also used to stimulate discussion. Please..." | Read more » about 6 years ago
Swede2 "I'm adding one more discovery. I had been using a CD-R for the window because I have plenty of scrap versions of them. I decided to sacrifice a DV..." | Read more » about 6 years ago