| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| adminR0 | "I downloaded the files into CURA 5.6.0 and CURA scaled them 1000 ! When I printed them they were micro sized. I tried used 2410.3 scale and it seem..." | Read more » | 10 months ago | |||
| B-winters | "Stef, thanks for your interest, I have some new updates and they can be found in this open-source publication: https://doi.org/10.1016/j.ohx.2021.e..." | Read more » | about 3 years ago | |||
| stef | "@realestateediary Are there any further updates to this design? Re the razor slit or any geometric changes? I am very much interested in printing t..." | Read more » | about 3 years ago | |||
| WendyJospeh | "It is a good effort by you. " | Read more » | almost 4 years ago | |||
| EllenHarri | "Wow, Good Project " | Read more » | almost 4 years ago | |||
| B-winters | " If you are interested in getting access to the original CAD files, they are available for use on www.onshape.com under the file name "Visible Spec..." | Read more » | over 5 years ago | |||
| B-winters | " chunbr, thanks for you interest. I apologize for missing your comment and questions, I have been exploring some new adaptations to this system tha..." | Read more » | over 5 years ago | |||
| chunbr | " I did this! Use 25.103 as the multiplier to scale the .stl file to the proper size in Cura and also the diffraction gradings are available on Amaz..." | Read more » | almost 6 years ago | |||
| chunbr | "I did this! Use 25.103 as the multiplier to scale the .stl file to the proper size in Cura and also the diffraction gradings are available on Amazo..." | Read more » | almost 6 years ago | |||
| chunbr | "I made this! The print took about 36 hours and Amazon sells $12 diffraction slides. The .stl files aren't scaled properly when imported to Cura, bu..." | Read more » | almost 6 years ago | |||
| stoft | "Ah, good. Glad you could view the additional data and figured it out. " | Read more » | almost 7 years ago | |||
| Tehnicni | "How a stupid mistake. I checked linearity of all 3 cameras at three points, thinking that it have an exponential dependency, which is not true, the..." | Read more » | almost 7 years ago | |||
| stoft | "Yes, clearly all but the last image shows compression in the Green (and Red though less). Because the process of spectral data from a webcam does n..." | Read more » | almost 7 years ago | |||
| Tehnicni | "I also tried the third webcam, cheap Chinese. White Balance: R and G at max, B in the middle. Gama 2, Exposuer manually Measured at different..." | Read more » | almost 7 years ago | |||
| stoft | "The camera's I've used seem different in this effect but you might try to hunt down the technical data sheets from the Mfg -- sometimes they have a..." | Read more » | almost 7 years ago | |||
| Tehnicni | "I'm using wery old cheap webcam with all controll on manual and get same result with Logitech C525 also in manual mode. I checked lineariti on all ..." | Read more » | almost 7 years ago | |||
| stoft | "@Tehnicni, I'd agree that any detector-specific non-linearity is likely very small compared with the effect you've presented. I'd guess the more li..." | Read more » | almost 7 years ago | |||
| Tehnicni | "Question for @stoft. According to my measurements, the CMOS sensor has some sort of blooming effect before saturation. I tested my webcam with whit..." | Read more » | almost 7 years ago | |||
| rthalman | "Ok, so here are the links to shapeways: Absorption Cell Body: https://www.shapeways.com/model/3dtools/5722864/0/123?key=0955c52c1c8596f6422b736ebda..." | Read more » | almost 8 years ago | |||
| warren | "Also see this one: https://publiclab.org/notes/briandegger/12-11-2015/silhouette-cut-public-lab-mobile-spectrometer-v2 -- though it's not too flesh..." | Read more » | almost 8 years ago | |||
| warren | "Wow, excellent! You can share a design on Shapeways by clicking "Edit product with this model" in the upper right: Then you can check "Offer for..." | Read more » | almost 8 years ago | |||
| stef | "@warren, @rthalman I will share the build details once I get some fotos. The public library operates on a cost recovery system so the cost of the p..." | Read more » | almost 8 years ago | |||
| rthalman | "@warren I have the .stl files in the description, you can upload those to Shapeways. In PLA on shapeways the absorption cell body costs $26; the Sp..." | Read more » | almost 8 years ago | |||
| warren | "Also, is it possible to order this print on Shapeways, do you think? I'd love to get one but don't have a 3d printer. Anyone want to try uploading ..." | Read more » | almost 8 years ago |