#linuxcnc | Logs for 2019-01-01

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[02:07:12] <CaptHindsight> https://www.youtube.com
[02:07:38] <CaptHindsight> Flex Glue competes against JB Weld, Loctite, and Gorilla glue using wood, brick, PVC, and metal
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[03:25:25] <Deejay> moin
[03:25:54] <Deejay> happy new year
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[04:10:00] <Vq> Happy new year and such
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[04:34:41] <XXCoder> Ĥ̹͖̪̩̭̋ạ̳̦̖̗͌̎̉pͣͥͯ̑ͣͫ͜p̯͈̯͇ͭ̓̒̽ͅy̦̘̜̎ͤͦͣ̌ͣͦ ̸̰̤̱̜n̙̙̱̮͠e̤̥̩̋ͫͬ̐̀̅͞w͕̮͎̞̬̹̻̄̂̕ ̹̺̉͌̇̐͗͂y̯̘̘̗̥ͮ̐́è͍͖͚̒ͮ͒͠a̴̲̟͚̦̯ͦ̑r̜̘͈̱̰͇̺͊̾̀ͭ͡
[04:35:08] <Deejay> whats wrong with you o0
[04:35:13] <XXCoder> lol
[04:35:39] <Deejay> lots of crazy characters
[04:35:44] <XXCoder> accent marks
[04:35:46] <XXCoder> lots of em
[04:38:14] <Deejay> https://a.uguu.se
[04:38:17] <Deejay> look
[04:40:24] <Deejay> XXCoder
[04:40:32] <XXCoder> looking
[04:40:45] <XXCoder> yep thats lot of accent marks lol
[04:40:56] <XXCoder> yours is rendered very differently
[04:41:03] <XXCoder> wonder if thats due to klanguage os is set to
[04:41:38] <Deejay> i think thats because of different fonts
[04:41:46] <XXCoder> thats also likely
[04:41:52] <Deejay> not all fonts support all unicode characters and so on
[04:42:02] <XXCoder> I use Hack fon
[04:43:03] <Deejay> dunno what that is
[04:43:14] <XXCoder> its one of best monospace font
[04:43:20] <XXCoder> and open source also
[04:43:30] <XXCoder> https://sourcefoundry.org
[04:44:16] <Deejay> ah
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[05:07:38] <Deejay> hmm, trying to install it
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[05:55:50] <jthornton> morning
[05:57:41] <XXCoder> Ĥ̹͖̪̩̭̋ạ̳̦̖̗͌̎̉pͣͥͯ̑ͣͫ͜p̯͈̯͇ͭ̓̒̽ͅy̦̘̜̎ͤͦͣ̌ͣͦ ̸̰̤̱̜n̙̙̱̮͠e̤̥̩̋ͫͬ̐̀̅͞w͕̮͎̞̬̹̻̄̂̕ ̹̺̉͌̇̐͗͂y̯̘̘̗̥ͮ̐́è͍͖͚̒ͮ͒͠a̴̲̟͚̦̯ͦ̑r̜̘͈̱̰͇̺͊̾̀ͭ͡
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[07:58:11] <Tom_L> morning
[07:58:18] <XXCoder> Ĥ̹͖̪̩̭̋ạ̳̦̖̗͌̎̉pͣͥͯ̑ͣͫ͜p̯͈̯͇ͭ̓̒̽ͅy̦̘̜̎ͤͦͣ̌ͣͦ ̸̰̤̱̜n̙̙̱̮͠e̤̥̩̋ͫͬ̐̀̅͞w͕̮͎̞̬̹̻̄̂̕ ̹̺̉͌̇̐͗͂y̯̘̘̗̥ͮ̐́è͍͖͚̒ͮ͒͠a̴̲̟͚̦̯ͦ̑r̜̘͈̱̰͇̺͊̾̀ͭ͡
[07:58:52] <Tom_L> just a bunch of unrecognizable characters
[07:58:52] <Tom_L> sry
[07:59:05] <XXCoder> lol its happy new year with tons of accent marks
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[10:21:50] <Roguish> yoh, HAPPY HOLIDAZE AND NEW YEAR TO ALL
[10:30:51] <gloops> a decent lathe https://www.ebay.co.uk
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[10:42:45] <flyback> are those power hammers
[10:42:49] <flyback> like early 1900's
[10:42:52] <flyback> are they hydrolic
[10:43:04] <flyback> I can't imaging pure mechanical would last long
[10:43:49] <flyback> ah air piston
[10:43:51] <flyback> same thing
[10:45:20] <gloops> which one?
[10:46:32] <flyback> https://www.youtube.com
[10:47:33] <gloops> thats ants
[10:47:59] <Tom_L> he's confused
[10:48:13] <flyback> oh wrong paste
[10:48:19] <flyback> https://www.youtube.com
[10:48:24] <flyback> BMCC gloops
[10:48:44] <gloops> same one
[10:48:47] <flyback> WTF
[10:48:55] <flyback> https://www.youtube.com
[10:48:57] * Tom_L smacks flyback
[10:49:04] <flyback> BITE
[10:49:06] <flyback> MY
[10:49:08] <flyback> "CANUCK"
[10:49:12] <flyback> ................................................................CANUCK
[10:49:33] <flyback> i FIGURED they had to be hydrolic or air driven
[10:49:42] <flyback> I couldn't imagine pure mechanical lasting 100 yrs
[10:49:46] <gloops> a lot of the big hammers - were lifted by steam, the weight of the hammer did the work going down
[10:49:47] <flyback> or 10 yrs even
[10:49:59] <flyback> gloops, that's still non mechanical
[10:50:16] <flyback> I seen ones that use diesel or gasoline to lift a large weight then drops by gravity
[10:50:21] <flyback> like road busters
[10:50:36] <flyback> they use a explosion to shoot the weight up
[10:50:55] <Tom_L> pile drivers do the same thing
[10:51:42] <veek> just curious, is it possible to focus a pair of microscope lenses using a vernier caliper and a micrometer?
[10:53:25] <gloops> https://www.youtube.com
[10:53:59] <gloops> i dont know anything about microscopes veek
[10:54:24] <veek> hey gloops, how much pressure does that hydraulic hammer inflict? 100T
[10:54:39] <gloops> much much more
[10:55:03] <gloops> an ordinary hammer in your hand gives about 50 tons psi
[10:55:16] <veek> wo hmm
[10:55:54] <gloops> well a sledgehammer, 20 tonnes for a couple pound hammer
[10:58:35] <flyback> I imagine if that was a crank driven direct drive hammer it wouldn't last long
[10:58:44] <flyback> well then again that's how some auto shredders are
[11:00:21] <gloops> be ok with a torque release on the crankshaft, like a clutch that slips on impact
[11:01:12] <gloops> so you are only driving the hammer to attain velocity - not during impact
[11:01:14] <flyback> ah true
[11:01:55] <flyback> have you ever seen any history channel etc shows on auto shredders
[11:01:59] <flyback> or the mine ore shredders
[11:02:14] <flyback> and they use carbid or titanium teeth
[11:02:17] <flyback> like $100/tooth
[11:02:18] <gloops> no not seen any
[11:02:20] <flyback> and they last 24 hrs
[11:02:23] <flyback> it's like HOLY SHIT
[11:02:48] <gloops> 24 hours is a lot of crushing though
[11:03:07] <flyback> oh I knoww they get their 100 x #
[11:03:13] <flyback> but it's just scary to think about
[11:04:21] <flyback> mabye it was a tunnel boring machine
[11:04:49] <gloops> they had some big coal cutters here with impressive teeth, Dosco
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[11:06:17] <gloops> https://www.youtube.com
[11:06:53] <flyback> yeah those are cool
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[11:20:17] <treats> Hi all and happy New Year! I'm hoping for some pointers for a project I'm looking to embark on this year. Basically, I want to build myself a custom CNC machine that will be roughly 4' x 4' x 4', with 4 feet on the z axis. It's not for a bit and I'll be using a claw on the end. I'm wondering if anyone has any pointers or thoughts on the z control that will allow for something like telescoping so, at height, it won't
[11:20:17] <treats> extend too far into the 'work area'
[11:24:24] <gloops> hm 4ft z
[11:24:55] <treats> It might not need to be so dramatic, in reality, but I want it to live overhead...
[11:25:17] <gloops> have the rails above?
[11:25:28] <gloops> i mean the x rails
[11:25:53] <gloops> im not really getting an image of this machine tbh
[11:28:49] <treats> Basically, I want to be able to move this arm around in a 4x4x4 cube -- and ideally I'd like to be able to walk underneath, but not necessary for v1. https://www.youtube.com
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[11:29:51] <treats> more of a claw than an arm. The claw will be mounted perpendicular to the work surface.
[11:42:48] <SpeedEvil> treats: 2d + winch + claw.
[11:42:50] <SpeedEvil> :)
[11:42:54] <gloops> thats like a teddy grabber
[11:43:49] <gloops> so the x rails at the top, the winch runs along the y on a horizontal plate
[11:44:22] <gloops> dont forget you need a piece of lead in the prizes
[11:45:24] <treats> I don't want my winch to rotate around all over though. I'll keep looking at winches though..
[11:46:17] <Tom_L> mount it to an overhead gantry
[11:48:14] <gloops> if you want the claw on a rigid z, but dont want the z to travel 4ft above the machine
[11:49:53] <gloops> you could have a series of 'z' plates, tubes, sections or whatever, maybe call them za zb zc
[11:50:12] <gloops> gonna get tricky with g-codes
[11:50:25] <SpeedEvil> treats: more seriously - how much do you care about accuracy
[11:50:34] <SpeedEvil> and what are the forces imposed by your tooling
[11:51:13] <Tom_L> couldn't be much, it's a hobby servo
[11:52:09] <treats> Not extremely precise, I'd prioritize speed over accuracy, but it should be able to grab... a cottonball I guess.
[11:52:33] <gloops> this job might be a candidate for a hexapod design
[11:53:19] <treats> This guy built something that could help. Doesn't really solve the overhead 4' though..
[11:53:46] <gloops> https://www.youtube.com
[11:55:03] <treats> Dang, that's incredible.
[11:55:43] <Tom_L> https://cleverleverage.com
[11:57:53] <gloops> 360 arm
[12:00:34] <treats> https://blog.arduino.cc
[12:02:40] <gloops> yes same thing treats but cables instead of rigid struts
[12:03:34] <gloops> a bit like the maslow machine
[12:03:54] <treats> yeah, pretty neat. Definitely something I need to research a bit more before jumping into. x,y,z makes sense to me.
[12:05:53] <gloops> https://www.youtube.com
[12:06:41] <gloops> theres always an xyz, if you start getting into weird designs you need non-trivial kinematics to resolve movement into xyz
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[13:10:30] <fragalot> 'spu
[13:10:32] <fragalot> 'sup
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[14:36:42] <CaptHindsight> I'll take spu for $100
[14:39:42] <fragalot> CaptHindsight: but they're down 2.28%
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[16:18:19] <gloops> worst xmas TV ever
[16:18:50] <fragalot> It's TV. when is it ever good?
[16:21:49] <gloops> well you expect it to be better at xmas
[16:22:19] <Tom_L> i do?
[16:22:27] <Tom_L> you're assuming alot there
[16:22:38] <gloops> cheap old router there https://www.ebay.co.uk
[16:22:46] <fragalot> gloops: the only difference is that on xmas, they put on die hard
[16:23:23] <Tom_L> yeah some of the old old ones were banned due to content
[16:23:27] <fragalot> interesting designs
[16:23:53] <gloops> i dont watch a lot of TV but when you flick through pages of channels and there is NOTHING worth watching
[16:24:24] <Tom_L> if it's ever on it's just for background noise
[16:24:33] <fragalot> that's when you get netflix and flick through pages of that crap instead
[16:24:40] <fragalot> so you switch to youtube
[16:24:52] <fragalot> and wind up in "that weird part of youtube"
[16:24:55] <gloops> 8kw spindle, 3 servos, toolholders the lot, hes risking it at £1000
[16:25:24] <fragalot> yeah looks like a good deal can be had there if you're in the market for one
[16:25:49] <gloops> i spent that on mine lol
[16:26:40] <CaptHindsight> there is some good TV scattered about, but it's only 1 or 2 things from each network
[16:27:04] <fragalot> that's optimistic
[16:27:14] <fragalot> here it's about 1 thing on about 2 networks
[16:27:26] <CaptHindsight> you get the point
[16:27:29] <fragalot> :P
[16:27:55] <fragalot> this is why the on-demand generation just waits a day & watches it on the networks' website (if available)
[16:28:14] <fragalot> all of the entertainment, without the 30% ads
[16:28:22] <CaptHindsight> yeah download later
[16:28:37] <Tom_L> they still put ads in them
[16:28:48] <Tom_L> and now they got it so you can't FF thru them
[16:28:51] <fragalot> Tom_L: ublock does a good job hiding those
[16:29:06] <CaptHindsight> well download from sources that edit the commercials out
[16:29:09] <Tom_L> oh i use that on the interweb
[16:29:10] <fragalot> at least here & on southpark studios & YT
[16:29:26] <Tom_L> i thought you meant recorded shows
[16:29:47] <fragalot> I don't bother with recordings anymore
[16:29:51] <fragalot> not in the past 4 or 5 years now
[16:32:47] <CaptHindsight> dumbing everyone down works pretty well, people pretty much watch whatever you put in front of them
[16:33:05] <fragalot> easier than religion too
[16:33:12] <fragalot> to keep people in line
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[16:34:00] <CaptHindsight> and if you're too busy working 12+ hours a day then you don't have much time to watch or rebel
[16:34:22] <gloops> watched Bird Box, got to the end of that
[16:34:32] <jdh> wtf is it anyway
[16:34:53] <gloops> Bird Box ?
[16:35:05] <jdh> movie, series, game?
[16:35:14] <gloops> oh its a film
[16:35:14] <jdh> I see headlines about it, but no info
[16:35:35] <gloops> some strange alien or supernatural phenomena takes over earth
[16:35:50] <jdh> orange, bad hair?
[16:36:05] <fragalot> gloops: https://imgur.com
[16:36:13] <gloops> you dont see it, only people who look at it are affected
[16:36:33] <fragalot> gloops: what if you look at a picture of it?
[16:36:39] <CaptHindsight> https://www.rottentomatoes.com
[16:36:57] <gloops> someone does draw pics of 'it' actually
[16:37:13] <gloops> lunatics arent affected by seeing it
[16:37:39] <fragalot> just curious if you could just get a fatshark FPV set to get around the whole issue
[16:38:06] <gloops> Critics Consensus: Bird Box never quite reaches its intriguing potential < thats about right, interesting idea but youre kinda waiting for a climax that doesnt arrive
[16:40:19] <gloops> fragalot ill not give any more spoilers out
[16:40:47] <fragalot> alright. haven't seen it yet myself but the whole premise is a bit 'meh'
[16:42:15] <gloops> it is pretty ludicrous really, but it is made in a - you have to keep watching way
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[16:46:57] <gloops> how do you get a laser to on/off with linuxcnc?
[16:47:46] <gloops> looking at a small 5w laser to engrave box lids, i never thought about g-code
[16:55:36] <Tom_L> remap coolant?
[16:56:02] <Tom_L> or just wire it as coolant
[16:56:53] <Tom_L> how do they do torch on/off on plasma?
[16:58:08] <CaptHindsight> you can use an m-code
[17:00:06] <gloops> ah yeah
[17:00:42] <gloops> you would need software for laser engraving i guess, too much for hand coding
[17:00:43] <CaptHindsight> https://i.imgur.com the m-codes are not quite matched to motion here
[17:01:13] <CaptHindsight> http://linuxcnc.org
[17:01:25] <CaptHindsight> M62 and M63
[17:01:42] <gloops> you can touch the gaps in with a black pen lol
[17:02:11] <CaptHindsight> if you sync it then there are no gaps or heavy spots
[17:02:40] <CaptHindsight> same with a laser, but the airbrush really magnifys the issue
[17:02:44] <Deejay> gn8
[17:03:03] <CaptHindsight> magnifies even
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[17:04:03] <CaptHindsight> there are several LCNC videos and discussions over it
[17:05:29] <CaptHindsight> plasma cutting is a bit different since if you dwell too long you really don't make a larger hole
[17:05:49] <gloops> oh thats an airbrush
[17:06:16] <CaptHindsight> yeah, it's not as fast ON/Off as a laser
[17:06:19] <gloops> i had a quick look at cnc painting - not really go there with that yet
[17:06:24] <gloops> got
[17:06:35] <CaptHindsight> but you get the idea
[17:06:38] <gloops> yes
[17:07:45] <gloops> a really functional airbrush on cnc would be some tool
[17:08:05] <CaptHindsight> https://www.youtube.com
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[17:13:52] <gloops> hmm, maybe 15w would be better
[17:13:53] <CaptHindsight> CNC airbrush works where CNC inkjet can't reach, but at lower res
[17:16:01] <CaptHindsight> https://www.youtube.com LASERs and M Codes
[17:20:33] <gloops> looks straightforward enough, so long as i didnt have to compile some kinky flavour of linux and make a hal module etc
[17:20:52] <tiwake> CaptHindsight: got any links handy for building a linuxCNC based FDM 3D printer?
[17:21:59] <tiwake> CaptHindsight: I'd like to make air intakes with it, so will need a plastic that will be good with temps up through about 300 degrees F
[17:22:18] <tiwake> air intake manifolds for cars
[17:24:03] <tiwake> or do I want to use something other than linuxCNC?
[17:24:33] <tiwake> (I kind of want to)
[17:28:03] <CaptHindsight> plastic intake manifolds?
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[17:28:30] <MacGalempsy> hello
[17:28:35] <tiwake> CaptHindsight: sure
[17:29:05] <MacGalempsy> happy new year guys
[17:29:06] <CaptHindsight> I'd use a thermoset vs a thermoplastic
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[17:29:31] <CaptHindsight> happy happy joy joy
[17:30:11] <CaptHindsight> epoxy with metal filler like JB weld
[17:30:21] <MacGalempsy> making any cool tools lately, Capt?
[17:30:28] <Tom_L> let's get this year kicked off right with a guberment shutdown...
[17:30:30] <CaptHindsight> https://www.youtube.com
[17:30:34] <tiwake> CaptHindsight: are those more difficult to make?
[17:31:13] <CaptHindsight> MacGalempsy: not really, people don't want to fund much
[17:31:53] <MacGalempsy> how much funding for an sls printer?
[17:31:58] <CaptHindsight> tiwake: FDM uses thermoplastics that may be remelted
[17:32:24] <tiwake> sure
[17:32:31] <CaptHindsight> MacGalempsy: there is some <$10k SLS from Poland out
[17:32:53] <MacGalempsy> is the finish quality good?
[17:32:58] <MacGalempsy> link?
[17:34:17] <MacGalempsy> actually, the SLA would be fine, but a metal sls would be awesome
[17:34:27] <CaptHindsight> https://all3dp.com
[17:35:02] <CaptHindsight> https://all3dp.com
[17:35:35] <CaptHindsight> tiwake: so they would remelt if the engine area gets hot enough
[17:35:57] <CaptHindsight> tiwake: so you'd have to use a suitable high temp thermoplastic or use a thermoset
[17:36:23] <CaptHindsight> thermosets don't remelt, they might get very slightly softer but just start to burn vs melt
[17:36:45] <MacGalempsy> anyone in the market for a Hansvedt 201E sinker EDM?
[17:36:53] <MacGalempsy> its ll
[17:37:04] <MacGalempsy> all on a trailer waiting for a home
[17:38:41] <CaptHindsight> tiwake: car makers use a composite of thermoplastics and fiberglass
[17:40:31] <CaptHindsight> Nylon 6/6 with glass as well
[17:41:17] <CaptHindsight> tiwake: high temp extruder and some secondary machining with thermoplastics
[17:42:06] <CaptHindsight> tiwake: https://www.3d4makers.com
[17:42:44] <CaptHindsight> tiwake: but FDM/FFF is going to be really slow making an entire manifold
[17:42:59] <CaptHindsight> days per
[17:44:02] <CaptHindsight> but if you're making multiple of the same manifold I'd make molds and pour a thermoset
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[17:44:41] <CaptHindsight> multiple but low volume say up to ~100
[17:46:09] <tiwake> CaptHindsight: a few days to make one is no problem honestly, just the occasional one-off thing and maybe once again for a jealous friend
[17:47:06] <CaptHindsight> tiwake: have a pic of an example manifold you're thinking of?
[17:47:21] <CaptHindsight> some are far more elaborate than others
[17:49:50] <CaptHindsight> FDM/FFF and SLA are very slow
[17:50:01] <CaptHindsight> sorry SLS not SLA
[17:50:47] <tiwake> looking
[17:51:12] <CaptHindsight> SLA can print a manifold in minutes, but there's patents on the fast techniques
[17:51:35] <tiwake> something like this http://photobucket.com
[17:51:58] <tiwake> CaptHindsight: I don't need to worry about patents if I'm making it for me and not selling anything
[17:55:11] <CaptHindsight> just looking at how they made the molds for that
[18:00:29] <tiwake> yeah
[18:01:44] <CaptHindsight> look at top down SLA https://www.youtube.com
[18:01:48] <CaptHindsight> for example
[18:01:59] <tiwake> how much does liquid plastic cost though?
[18:02:33] <XXCoder> it doesnt even show result bah
[18:02:36] <tiwake> its like $50/liter or so right?
[18:03:23] <CaptHindsight> for stuff that just cures $25/L
[18:03:55] <CaptHindsight> resin for a intake manifold would be a bit more
[18:04:09] <XXCoder> it does get aged faster than filiment so you'd try best to use em up
[18:04:21] <XXCoder> it lasts couple years at most?
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[18:04:47] <CaptHindsight> depends on how you store it
[18:05:00] <CaptHindsight> you should be using it vs storing it anyway :)
[18:05:36] <CaptHindsight> http://bucktownpolymers.com
[18:06:06] <XXCoder> from what I understand even if stored away from light and in good temperate, its bit chemically instable
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[18:06:37] <XXCoder> "It cures rapidly when exposed to ultraviolet light and visible light up to 440nm and offers nearly unlimited working time before exposure. "
[18:06:46] <XXCoder> I guess it depends on type
[18:06:53] <CaptHindsight> cool, dark and refresh the air
[18:07:34] <CaptHindsight> it's really a non issue
[18:07:45] <MacGalempsy> you guys see the Kickstarter phrozen transform?
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[18:10:16] <tiwake> CaptHindsight: think I should use galvos? or just do boring steppers?
[18:10:38] <CaptHindsight> tiwake: for what? moving what?
[18:10:53] <CaptHindsight> laser + galvos?
[18:11:09] <XXCoder> you could use galvos and laser as vector screen and play asteroids lol
[18:11:17] <CaptHindsight> it's much faster than moving a carriage around XY
[18:11:33] <tiwake> cheaper?
[18:11:42] <tiwake> don't I need an F-theta lens?
[18:11:52] <CaptHindsight> Chines galvos are getting really cheap
[18:11:58] <CaptHindsight> Chinese
[18:11:59] <tiwake> I remember looking those up and they were like $800 or something
[18:12:11] <XXCoder> its around $100 each nowdays
[18:12:19] <XXCoder> I wanted to play with vector screen
[18:12:22] <tiwake> for F-theta lens?
[18:12:31] <XXCoder> oh lens dunno
[18:12:49] <CaptHindsight> nah an f-theta for 405nm is cheap
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[18:14:35] <CaptHindsight> https://www.alibaba.com
[18:15:16] <CaptHindsight> a stepper XY gantry will be cheaper and much much slower
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[18:15:31] <CaptHindsight> stepper and belts
[18:15:57] <XXCoder> dang 405nm is crazy cheao
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[18:16:40] <tiwake> hmm
[18:16:50] <CaptHindsight> yeah price is dropping like rocks
[18:17:05] <XXCoder> im not sure if I belive the $1 ones
[18:17:27] <CaptHindsight> it's China
[18:17:36] <CaptHindsight> like our orange leader
[18:17:45] <XXCoder> yeah but theres $800 ones and $1
[18:17:56] <CaptHindsight> what's to believe?
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[18:18:37] <XXCoder> other one len only is $100
[18:18:55] <CaptHindsight> like the $1 cars and everything on Craigslist just to get your attention
[18:20:36] <tiwake> got links for laser+lens I want for something that big?
[18:20:52] <tiwake> I do have a set of chinese galvos already
[18:21:14] <XXCoder> aliexpress has a wtf error
[18:21:27] <CaptHindsight> tiwake: you can also mount the laser and galvo on a carriage
[18:21:28] <XXCoder> it changes scanhead to cathead
[18:21:49] <CaptHindsight> scan the area, then step X and or Y and rescan to cover a larger area
[18:23:14] <tiwake> oh hmm
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[18:24:03] <CaptHindsight> after the entire XY is scanned then move Z
[18:24:47] <XXCoder> i wonder if galvos is high enough above machine could it just directly shine on top, no need to move laser head around
[18:25:12] <XXCoder> probably need to take account of convolution
[18:27:45] <tiwake> I think I want the laser and galvos fixed
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[18:38:00] <CaptHindsight> XXCoder: it's a function of the f-theta lens, spot size and focal length
[18:39:05] <CaptHindsight> https://specialoptics.com
[18:41:00] <XXCoder> CaptHindsight: not sure what that was in respond to?
[18:41:42] <CaptHindsight> XXCoder> i wonder if galvos is high enough above machine could it just directly shine on top, no need to move laser head around
[18:42:06] <XXCoder> oh lemme get a example
[18:42:17] <XXCoder> but yeah
[18:44:09] <CaptHindsight> same as mail delivery
[18:44:17] <XXCoder> https://www.youtube.com pretty interesting
[18:44:30] <CaptHindsight> if all the maiboxes were close enough we wouldn't need trucks
[18:44:31] <XXCoder> flickering isnt visiable to human eye
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