| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "warren awards a barnstar to viechdokter for their awesome contribution! " | Read more » | over 8 years ago | |||
| warren | "Hi, everybody!!! We've finally developed a new approach to posting/sharing/collaborating, and are looking at how this extends into hardware modific..." | Read more » | over 8 years ago | |||
| stoft | "Done. " | Read more » | over 8 years ago | |||
| warren | "I def. agree -- that's what I was trying to get at with 'set a test here to "load test"' and @bsugar actually posted a request for a method to test..." | Read more » | over 8 years ago | |||
| stoft | "Thoughts: 1 - Splash-resistant, maybe, (there are holes), 2 - Masonite does not cut nicely, 3 - Acrylic (even laser-cut) tends to have very sharp e..." | Read more » | over 8 years ago | |||
| warren | "I think we could make cardboard, masonite and acrylic versions and set a test here to "load test" them for rigidity -- see what's the best compromi..." | Read more » | over 8 years ago | |||
| warren | "I'd like to put some screw holes in the side so you can attach things more easily, and a hole in the side so you can shine a light in without needi..." | Read more » | over 8 years ago | |||
| abdul | "What are the downsides of the acryllic like that? Cost is an obvious one, but besides that? Anything major? Could we have the acryllyc lengthened ..." | Read more » | over 8 years ago | |||
| warren | "Really, almost there, I guess I must not have accounted for the loss of material by the laser, but it needs to be 1/16 inch taller and wider. Maybe..." | Read more » | over 8 years ago | |||
| warren | "OK, done! I just replaced the original file. " | Read more » | over 8 years ago | |||
| warren | "Ugh, i must've made some mistakes in unit conversions, and it came out quite wrong. Here's a new version, more carefully measured: spec-housing-2..." | Read more » | over 8 years ago | |||
| warren | "Ponoko requested that I don't let cut lines overlap, so I adjusted the cut file: spec-housing-2.1-24x12.pdf spec-housing-2.1-24x12.svg " | Read more » | over 8 years ago | |||
| warren | "I like the screw-in-the-base option, but I also wonder if good coverage of strong double-sided tape is a choice we can offer too. Good thoughts; I'..." | Read more » | over 8 years ago | |||
| stoft | "Just checking .... what is the mechanical relationship between the dimensions of the paper module and the inside dimensions of the laser-cut cover?..." | Read more » | over 8 years ago | |||
| warren | "It's going to be $16.20, which is expensive for a cut but cheap for a prototype :-) Transparent acrylic (although I could use matte black at 22.70..." | Read more » | over 8 years ago | |||
| warren | "I'm going to try getting it lasercut at http://www.ponoko.com/ -- in part to test if Ponoko is a service others could use for prototyping lasercut ..." | Read more » | over 8 years ago | |||
| warren | "I like the idea of side holes for different types of spectrometry! The flap is to hold something like a leaf against the window so it's flat, and ..." | Read more » | over 8 years ago | |||
| warren | "Thanks, Guillaume851 - I've seen yours and it does look very rigid, thank you! Part of the design I'm prototyping in my note here is a design we co..." | Read more » | over 8 years ago | |||
| Guillaume851 | "Warren, I know that the spectrometer that I have built is extremely rigid, but it is not made of cardboard, It is made from square black plastic r..." | Read more » | over 8 years ago | |||
| stoft | "I'm not following the flap bit. Why does the spectrometer need to be blocked? Also, from some simple experiements, I found that I needed much much ..." | Read more » | over 8 years ago | |||
| warren | "I'm also interested in how this rigid frame allowed for additional scanning or sampling apparatus, for example for reflectance measurements off of ..." | Read more » | over 8 years ago | |||
| warren | "Good idea -- here's an updated version with small screw or bolt holes: spectrometer-housing-2.svg spectrometer-housing-2.pdf " | Read more » | over 8 years ago | |||
| stoft | "Clever; only 2 part types. Since the internal components are still merely "trapped" by the paper housing, you might consider adding a couple holes ..." | Read more » | over 8 years ago | |||
| stoft | "Jeff, I have a local supplier call Tap Plastics but I assume laser-cut plastics are now available in most metropolitan areas. Ok, that's fine to k..." | Read more » | over 8 years ago |