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Very nice shots - I like that you can see the subtle difference between 520 and 532nm. What are the mWs of those lasers? I'm considering a build with one of those 520s, and I'm wondering how beam visibility compares to 532.

Maybe we're assuming the redwood tree is a perfect cylinder, in an absolute vacuum.

Not on his website at least. Maybe on his eBay page though.

Re: Wicked Lasers Inferno This is the problem I'm currently grappling with. I want to make a new red build this summer - and make it as unique and complex as I can manage. Even if I fail - it will be a good learning experience. But beam shape is very important to me - and optics are not my...

I would recommend our friendly neighborhood DTR as a good source of diodes+drivers+Aixiz modules+lenses. You'll probably want to look at a diode like this - though I don't think he offers any variable supply drivers. If you really want to do research about mW of 405 vs thermal inking rates -...

ATM Receipts are thermal paper. I haven't tried - but I would imagine it would take a second or two to darken the paper, and from there, you continue to follow a slow line or shape - piggybacking off of the already darkened sections, to heat up the next. I'm not sure what type of resolution you...

Re: Wicked Lasers Inferno Thats what I was thinking too - do you know if it's possible to get that kind of beam correction in a hobby build? I'm not sure how it's done, and I haven't found too much information about it.

Interesting - do you know what diode they use for this? I'm guessing either the multimode Mitsu or Oclaro? I didn't know about the beam correction either.

Hey Ehg - I sent you a PM a week or two ago - did you ever see it? I'm not sure how PMs work - so sorry if I should have posted here first.

I like the look of these diodes -but does anyone know how to get FAC on it? I'm not a fan of that beam profile.

You're totally right, it would be a ton easier. But easy isn't what I'm going for. I'm not even really going for functional. I just want to have created a design that is unique, and see it come into fruition - and now I have my heart set on a button/LED tailcap. So regardless of the outcome, I'm...

Great - from that datasheet I linked to earlier - I got this info: It is a SPDT with 5/8" threading. Overall length (including leads) is 1.5" The diameter of the threading looks to be .6245in Thanks a lot for the help Eudaimonium. I'm getting pretty excited for this build. I know that you do...

Okay I touched up my render - made things more accurately sized and proportional. The more I work on these renders, the more I feel like this is actually fairly possible. And is this what you mean with the plastic in the tailcap? I like that idea a lot actually. Also, would machining that...

Oh I wasn't sure if that would be possible to get machined. So the inside could be plastic, while the outside metal? That's what I was thinking too. Or possible just get the ring made, just wrap plastic around it, doesn't even have to be specifically made for the ring. Also what do you think...

Awesome - thanks for the help. Yeah, ribbon cables is a really good idea that I hadn't thought of. I guess they wouldn't have any problem handling 5V or anything, right? Also, how would I insulate the springs from the cap (the black face on the render) or the ring from the host walls?

I totally understand - and I appreciate your concern, I really do. And you're right - this is mostly bound for failure. But I've got money to spare - so why not try making something different? And maybe, just maybe if it actually works, we'll have come up with a cool system for having...

I agree - I wouldn't think it's too hard to get a ring machined whose outside diameter that matches the inside diamaeter of the host, and inside diameter matches the size of a battery about. It would only need about 1cm depth or so. A wire would be run from the positive connector to the ring...

Okay so I think I've found a potential solution, but it's not without its pitfalls. I would just add another connection to the tailcap like so: It could either be a single point of contact - or an additional ring, that connects to the positive side, as shown above in the two different ways...

Yeah true, I forgot about that. I'll send that PM in a second.

Oh I see that now. Yeah maybe that could work... I don't think any batteries like that will be easy to come by. Even then though, I'm fine with running a wire through the host, where it won't be a problem after I finish the build. What I'm trying to avoid is running a wire to the tailcap -...