Back
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[00:04:46] <zeeshan--> hi
[00:08:48] <malcom2073> Hi again
[00:12:57] <zeeshan--> what kind of lathe do you have
[00:13:54] <malcom2073> an old southbend 9C-36
[00:13:56] <malcom2073> 1930's era
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[00:18:54] <malcom2073> zeeshan--:
http://mikesshop.net/lathe/DSCN1943.JPG
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[00:45:29] <zeeshan--> interesting lathe
[00:45:39] <malcom2073> It is interesting heh
[00:45:51] <malcom2073> Needs some work, but it does ok
[00:46:10] <malcom2073> I have a DRO I'ma attach to it, bring it into the modern world
[00:46:46] <zeeshan--> hehe
[00:47:04] <malcom2073> Mainly, because when playing around, a couple times I lost count of how many times I'd rotated the handle :)
[00:47:59] <malcom2073> It's gonna get taken apart and cleaned up/repainted here pretty soon
[00:48:08] <malcom2073> It's as I bought it atm, pretty nasty
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[01:18:26] <Cromaglious_> yay! I have a lathe newer than someone else!
[01:19:24] <Cromaglious_> <- 1945ish Sheldon 10" leather belt overhead drive, QC gear box
[01:20:28] <Cromaglious_> http://itslinux.org/Lathe.jpg
[01:21:22] <Cromaglious_> but he has a qctp on his :(
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[01:22:12] <Cromaglious_> I really need to get one, using hacksaw blade to shim bits up really sucks
[01:22:21] <Cromaglious_> s/blade/blades/
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[01:23:42] <Cromaglious_> malcom2073, your qctp it's a piston or wedge?
[01:27:40] <skunkworks> I keep meaning to create a tracker
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[01:29:32] <Cromaglious_> don't anyone bid on this
http://www.ebay.com/itm/Quick-Change-Tool-Post-New-/291432912058
[01:29:41] <Cromaglious_> unless your going over $80
[01:30:11] <Cromaglious_> it's at 52 right now... my max bid is 80
[01:32:44] <Cromaglious_> BXA w/ 5 holders
[01:33:39] <Cromaglious_> I wish I could spend more
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[01:33:56] <Cromaglious_> my wife is gonna kill me at $80 if I get it
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[01:52:58] <malcom2073> Cromaglious_: wdge
[01:53:50] <malcom2073> wedge
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[01:56:24] <malcom2073> erm, I think
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[01:57:51] <malcom2073> Looking up the difference now :P
[01:57:52] <malcom2073> Looks like piston
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[01:59:01] <malcom2073> Well... I'm unsure :/
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[03:31:59] <Cromaglious_> wedge one side of the dove tail moves, on piston the dove tail is the same with apiston coming out in the center to push the holder out against the dove tails
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[03:37:21] <Cromaglious_> some body just bid up the qctp up to $81 from $53 two dollars at a time
[03:38:06] <Cromaglious_> now to let them bid it up to $86
[03:43:43] <Cromaglious_> malcom2073, this is a wedge type
http://www.ebay.com/itm/AXA-WEDGE-TOOL-POST-SET-CNC-HIGH-PRECISION-QUICK-CHANGE-LATHE-HOLDERS-100-SERIES-/111578743893?pt=LH_DefaultDomain_0&hash=item19fa9c8455
[03:45:54] <Cromaglious_> looks like yours is a wedge type 250-111
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[04:56:45] <CaptHindsight> http://spacenews.com/fix-in-works-for-giant-sls-welding-machine/
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[05:44:05] <Cromaglious_> gn8
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[06:52:09] <Deejay> moin
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[08:36:43] <Computer_Barf> If i have material that is 1 inch thick that I plan on cutting all the way through, and my endmill has a depth of cut of 1 inch thick, should I expect to encounter trouble?
[08:38:05] <Computer_Barf> I mean, im wondering if really I can get away with that or If I am really going to need something with a greater depth of cut than the total thickness of the material.
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[08:46:07] <archivist> flutes become full of swarf
[08:47:15] <archivist> you need a little overlap top and bottom for best finish
[08:48:38] <archivist> if you try to use one that is too short and you mill over its depth, then the upper portion will be rubbing not cutting
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[09:30:39] <Computer_Barf> archivist: perhaps I could flip the item in the fixture and do halve on one side, half on the other side?
[09:31:48] <Computer_Barf> 1/8" endmills only seem to ever be made up to an inch depth of cut, most of them are a half inch
[09:31:52] <archivist> or only go part way and push the item out the sheet/ trim the last bit, depends on material
[09:32:39] <Computer_Barf> aluminum
[09:33:06] <Computer_Barf> i mean the reason why im looking at 1/8" endmills is because of the space between parts and saving material
[09:33:45] <Computer_Barf> but i think maybe i should go thicker endmill, and cut the bars with a cutoff saw or a band saw
[09:34:02] <Computer_Barf> or maybe power hacksaw
[09:34:11] <archivist> 1/8 inch deep is on the silly side of life
[09:34:29] <Computer_Barf> no im talking diameter of the endmill
[09:35:01] <archivist> I know going inch deep with that diameter will be full of problems
[09:35:17] <Computer_Barf> ahh yeah
[09:35:33] <Computer_Barf> i suspected maybe i would get too many chips down in there jamming up
[09:35:37] <archivist> cutter bending,snapping and impossible to get swarf out of the cut
[09:36:13] <Computer_Barf> ok how about this
[09:36:20] <Computer_Barf> fixture plate on the mill
[09:36:29] <Computer_Barf> clamp down a bar on that
[09:36:46] <Computer_Barf> have the mill drill a series of holes down the bar
[09:36:53] <Computer_Barf> thread the holes
[09:37:23] <Computer_Barf> then screw them all down and then have some sort of cutoff saw attached to the mill cut slots
[09:37:38] <Computer_Barf> then remove every other block and mill the remaining half
[09:38:08] <Computer_Barf> then later I can remove those parts, return the other blocks to their original positions
[09:38:18] <Computer_Barf> then mill those
[09:38:59] <archivist> slitting saw blades make a nice cut
[09:39:09] Vq_ is now known as Vq
[09:39:44] <Computer_Barf> yes and, im not the biggest fan of the idea of cutting a ton of blocks and then drilling holes to mount in each one manually
[09:40:18] <Computer_Barf> i need to research my options on how i can manage that on my mill
[09:40:41] <Computer_Barf> ive seen a guy with a strait up grinder clamped on his cnc router gantry
[09:42:19] <archivist> when you mentioned bar, round/rectangular/square?
[09:46:06] <Computer_Barf> rectangular
[09:46:40] <Computer_Barf> i would need a slitting saw that is oriented vertically
[09:48:22] <Computer_Barf> so some sort of right angle fixture
[09:51:25] <Loetmichel> Mornin' ... hmm, is it me or has McD upped the prices A LOT in germany? these 2 double cheeseburgers and the double Royal cheese were about 5 eur cheaper yesterday... wife is back from the grocery run and has brought breakfast ;-)
[09:55:17] <archivist> Computer_Barf, this is where a rotary table helps, or your mill is 5 axis on the head so it can cut at any angle
[09:56:19] <Computer_Barf> it is possible for me to align the head sideways
[09:57:02] <Computer_Barf> idk if the cutoff saw diameter would be sufficient to reach across the fixture plate without the head hitting it
[09:57:52] <Computer_Barf> http://www.google.com/imgres?imgurl=http://www.cnczone.com/forums/attachment.php%253Fattachmentid%253D257262%2526stc%253D1%2526thumb%253D1%2526d%253D1416178825&imgrefurl=http://www.cnczone.com/forums/benchtop-machines/111863-hosss-g0704-491.html&h=250&w=245&tbnid=SAjAySUviYglZM:&zoom=1&docid=yx5Gfuy4wGSgvM&ei=rSgyVd3ICtOTNrnzgMgG&tbm=isch&client=ubuntu&ved=0CEwQMyglMCU
[09:58:04] <Computer_Barf> i see that hoss has build a right angle attachment for the g0704
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[11:33:35] <jthornton> I wonder if I can modify TTT to output plasma G code
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[12:25:22] <_methods> and a waffle iron attachment
[12:25:30] <_methods> a sewing machine attachment
[12:25:57] <_methods> coffee pot attachment.............that one is actually a good idea
[12:26:13] <_methods> i gotta get a bandsaw
[12:26:23] <_methods> cutting stock with a hacksaw is like work or something
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[12:36:06] <jthornton> /usr/include/ft2build.h:56:38: fatal error: freetype/config/ftheader.h: No such file or directory
[12:37:15] <jthornton> I see in the package manager that FreeType2 is installed
[12:37:27] <jthornton> libfreetype6
[12:43:11] <jthornton> now I see it is installed already after doing a google search
[12:46:59] <jthornton> john@cave:~/linuxcnc/generators/ttt-fonts$ truetype-tracer -f Lintsec.ttf 'K' > K.ngc
[12:46:59] <jthornton> OTF_drive_tables:686: OTF-Error (Invalid table): OTF Table Read (table not found)
[12:47:54] <jthornton> hmm maybe the font file needs to be someplace special
[12:48:11] <_methods> are you using that engraving gcode generator?
[12:48:25] <_methods> you definitely need to make sure it's looking in the right place for the font
[12:48:27] <jthornton> truetype-tracer at the moment
[12:48:30] <_methods> i think i had the same error
[12:48:43] <_methods> oh
[12:48:46] <_methods> nm then
[12:48:53] <_methods> i was using that text engraving script
[12:49:42] <jthornton> they only use qcad fonts and I need to use ttf fonts
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[14:09:10] <zeeshan> hi
[14:09:46] <jthornton> crap now I get an error trying to use the stencil font with ttt
[14:10:43] <Cromaglious_> I was using inkscape and pycam to get ttf working
[14:16:34] <jthornton> ttt worked once now it won't work with specified fonts
[14:16:49] * jthornton goes to take the dog out
[14:18:02] <zeeshan> i have 9x6.625 pieces of aluminum 1/8 thick
[14:18:04] <zeeshan> http://i.imgur.com/pHHx8Mk.png
[14:18:09] <zeeshan> i wanna machine some parts for my clutch pedal
[14:18:29] <zeeshan> any suggestions? :)
[14:18:38] <Tom_itx> use a mill cutter
[14:19:00] <Tom_itx> oh and linuxcnc for sure
[14:19:03] <zeeshan> fu
[14:19:04] <zeeshan> :D
[14:19:28] <zeeshan> cmon come! :[
[14:19:32] <zeeshan> cmon tom !
[14:19:37] <zeeshan> you must know
[14:19:39] <Tom_itx> it's dead simple
[14:19:47] <zeeshan> well im thinking how to hold it down
[14:19:49] <zeeshan> in one setup
[14:19:52] <Tom_itx> clamp the outside, cut the slots, bolt the slots cut the perimeter
[14:20:03] <zeeshan> hahah
[14:20:20] <Tom_itx> finish edge the one piece with no slot then clamp that side of it
[14:20:43] <Tom_itx> or plop it on jt's plasma and let him cut em out
[14:20:48] <zeeshan> haha
[14:21:00] <zeeshan> i wanna mill so i dont have to edge prep before working
[14:21:03] <zeeshan> *welding
[14:21:19] <zeeshan> if this works out, ill prolly make more of these
[14:21:23] <zeeshan> but this is my prototype
[14:21:26] <Tom_itx> make one good edge and make that part with no holes a clamp point
[14:21:33] <Tom_itx> and do the rest like i said
[14:21:52] <zeeshan> so basically a 2 stage program
[14:22:05] <Tom_itx> just an op stop after slotting
[14:22:34] <Tom_itx> pre drill/tap the holes by the ends of the slots
[14:22:45] <Tom_itx> mount to a sacrificial plate
[14:23:10] <zeeshan> i dont have one that big :(
[14:23:22] <zeeshan> that thick that can be tapped
[14:23:36] <Tom_itx> 10 x 8?
[14:23:46] <zeeshan> i have some in aluminum
[14:23:48] <zeeshan> er
[14:23:49] <zeeshan> STEEL
[14:23:50] <zeeshan> not aluminum
[14:23:54] <zeeshan> but i dont wanna destroy it for this
[14:24:16] <Tom_itx> time to go shopping
[14:24:18] <zeeshan> honestly, the way i was thinking was like this:
[14:24:41] <zeeshan> toe clamps
[14:24:47] <zeeshan> then cut one part
[14:24:48] <JT-Shop> waaa I get the same error on 10.04
[14:24:50] <zeeshan> move clamp cut another part
[14:24:51] <zeeshan> etc
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[14:25:50] <zeeshan> http://i.imgur.com/EgUqd0v.png
[14:25:53] <zeeshan> i realkly like how this turned out
[14:26:19] <Tom_itx> in some soft jaws, pre'cut the left ones to width. they all look the same
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[14:26:32] <Tom_itx> clamp in softjaws, cut the ends, mill the slots
[14:26:47] <zeeshan> they are the same width
[14:26:59] <Tom_itx> make a program for each one
[14:27:04] <Tom_itx> use the same fixture offset
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[15:02:26] * JT-Shop thinks the path is hardcoded in ttt and that is my problem
[15:13:17] <Tom_itx> JT-Shop you need a certain font?
[15:14:30] <archivist> it has a default unless you specify #define TTFONT "/usr/share/fonts/truetype/ttf-bitstream-vera/VeraBI.ttf"
[15:15:02] <JT-Shop> yea I need a stencil font
[15:15:46] <archivist> I must get on with my vform version of ttt I started....back in 2008
[15:17:38] <JT-Shop> I ran it with the -f switch and it worked once but not again
[15:17:46] <JT-Shop> bbl
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[15:19:58] <archivist> looking at the code -f replaces the font name with the new name, should just work
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[19:32:01] <mutley> ok quick update on the circles not circles and the step/dir delay setting, yeterday dropped it to 15us from 30us and the out of round went from 0.2 to 0.08
[19:32:26] <mutley> just dropped step/dir delay down to 6us and now ive got 0.04 out of round
[19:33:15] <mutley> i suspect im not going to get much better than that unless i reduce some machine flex, the driver manual reccomends 5us delay, but going to stay with 6
[19:37:40] <jdh> I would have thought that with a larger delay, it would have just run slower, not better.
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[19:43:18] <tiwake> oh hey, the guy has pictures of the thing I made for him
[19:43:30] <tiwake> http://www.performancearcherygear.com/Rear-Mount-p/pag-rmnt.htm
[19:46:03] <tiwake> and everything else on his website... heh
[19:47:18] <tiwake> except for the carbon fiber tubes... I only machined the aluminum end caps
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[20:45:09] <_methods> looks good
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[21:14:16] <Deejay> gn8
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[21:42:10] <JT-Shop> archivist, that's what I was thinking
[21:53:35] <JT-Shop> this works on this computer truetype-tracer 'test' > test1.ngc
[21:53:58] <JT-Shop> this gives me an error truetype-tracer -f FreeSans 'test2' > test2.ngc
[21:54:14] <JT-Shop> Fatal error in FT_New_Face: cannot open resource (1) at line:628
[21:56:05] <cradek> JT-Shop: FreeSans isn't a file you have, is it? that should be the ttf file.
[21:56:26] <JT-Shop> yes, it is in the same directory as the default one
[21:56:29] <cradek> (or other supported font format)
[21:56:54] <JT-Shop> do I need the whole path for the font file?
[21:56:55] <cradek> -f takes a filename, not a font name
[21:56:59] <cradek> yes
[21:57:03] <JT-Shop> ok
[21:57:06] <cradek> full path and filename
[21:57:56] <JT-Shop> ok that worked now to test the stencil font
[21:59:17] <JT-Shop> hmm I get this with Maverick.ttf OTF_drive_tables:686: OTF-Error (Invalid table): OTF Table Read (table not found)
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[22:00:46] <JT-Shop> I got it to work one time on the basement debian computer
[22:17:17] <jthornton> Ok, it only seems to work with other than installed fonts when you run ttt from the same directory as the font
[22:17:25] <jthornton> but I got it to work! :)
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[23:05:10] <JT-Shop> but not up here on either linux computer :(
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[23:35:42] <Computer_Barf> does slotting 1" deep with a 1/4" endmill seem too deep?
[23:36:24] <Computer_Barf> 3 flute , 1-1/8" LOC
[23:37:11] <Computer_Barf> Im trying to keep my parts close together and looking at 3/8" endmills just seemed like a lot of wasted material
[23:38:48] <_methods> yes
[23:40:20] <_methods> you're not doing 1" DOC in 1 pass are you?
[23:41:41] <Computer_Barf> no
[23:41:43] <evil_ren> heh
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[23:42:07] <evil_ren> 1/4" 1-1/8" LOC could work, but yeah wtf single pass
[23:42:19] <Computer_Barf> no i definantly did not mean single pass
[23:42:24] <_methods> k lol
[23:42:28] <_methods> should be fine then
[23:42:41] <Computer_Barf> i was just concerned if chip clearing was going to work out
[23:42:57] <_methods> airblast
[23:43:16] <Computer_Barf> i originally wanted to do an 1/8" inch endmill but I was told it was probably going to get clogged up
[23:43:20] <_methods> this aluminum? i'm assuming
[23:43:25] <Computer_Barf> yes
[23:43:41] <Computer_Barf> Ive been trying to select endmills and such
[23:43:42] <_methods> those high helix mills are good at evacuating chips
[23:44:04] <_methods> but that is a deep slot
[23:44:11] <Computer_Barf> can you slow me an example?
[23:44:13] <_methods> i'd definitely have some airblast going
[23:44:29] <_methods> and i'd use a 2 flute personally
[23:44:47] <_methods> i only use 3 flute on stuff that's visible and i need a very fine finish
[23:45:17] <renesis> 1/8" will be drama
[23:45:23] <Computer_Barf> yes I bought a helical 2 flute Zrn 1/4" , 1-1/8" LOC
[23:45:33] <_methods> http://www.regalcuttingtools.com/sites/default/files/images/products/Page%20155_0.jpg
[23:45:40] <Computer_Barf> but I was going to try out 3 flute , 4 flute
[23:45:53] <_methods> that's a high helix mill
[23:45:53] <renesis> even if you can get one with long enough LOC, besides being expensive itll snap or bend if you try and push it like a standard LOC 1/8"
[23:46:10] <Computer_Barf> would high helix be the term I am looking for when searching?
[23:46:11] <renesis> theres a reason why its not standard LOC =\
[23:47:30] <Computer_Barf> http://i.imgur.com/gRl9buy.png
[23:47:37] <Computer_Barf> this is what I am looking at cutting out
[23:47:44] <Computer_Barf> the ones up top are 1" thick
[23:47:58] <Computer_Barf> bottom ones 1/2"
[23:48:15] <Computer_Barf> I plan on cutting big rows of them along bar stock
[23:48:52] <_methods> well that's really not how people do it but go for it lol
[23:48:52] <Computer_Barf> they have locations where I can do screw holes , so im going to make a fixture
[23:49:44] <JT-Shop> you better keep the chips out of the slot or ...
[23:49:46] <Computer_Barf> _methods: would you instead cut out the blocks first
[23:49:58] <_methods> i would get 1" flat bar and saw blanks
[23:50:09] <_methods> and make them one at a time
[23:50:20] <_methods> or 1-1/4"
[23:50:26] <_methods> so i have something to clamp on
[23:50:29] <_methods> then profile it
[23:50:29] <JT-Shop> yep
[23:50:48] <Computer_Barf> _methods: the objects actually fall slightly short of the bar size
[23:51:02] <Computer_Barf> they are slightly under 2 inch wide
[23:51:21] <_methods> so get 1-1/4" x 2" flat bar
[23:52:35] <_methods> good job for a horizontal mill
[23:53:05] <JT-Shop> you could band saw them on an angle to not waste material
[23:53:07] <_methods> you could machine the whole part in 1 vise then flip and deck it in a 2nd vise jaw
[23:53:07] <Computer_Barf> I've been thinking of putting a slotting saw on my mill and screwing the bar down, drilling an array of the drill holes, threading them and screwing all the holes down, then using the slotting saw to cut the blocks out, then unscrewing every other one
[23:53:34] <renesis> just buy a shitty bandsaw?
[23:53:38] <JT-Shop> do you have a vertical band saw
[23:53:53] <renesis> and go slow
[23:54:03] <Computer_Barf> no band saw
[23:54:13] <JT-Shop> what material is it?
[23:54:18] <Computer_Barf> aluminum
[23:54:29] <JT-Shop> got a miter saw?
[23:54:31] <Computer_Barf> thought about maybe building a power hacksaw
[23:54:40] <_methods> those are cake parts for a horizontal
[23:54:44] <Computer_Barf> also another option would be a 90 degree attachment for the mill
[23:54:44] <_methods> not so much for a vertical
[23:55:31] <Computer_Barf> I know hoss built one for his mill , i've not seen him put a slotting saw on it , but im sure he could
[23:55:49] <_methods> looks like on a vertical you'll need at least 3 clamings
[23:55:51] <JT-Shop> lacking equipment you could just drill holes next to each other between parts and break them apart
[23:56:43] <_methods> with a horizontal 2 clampings
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[23:57:18] <_methods> nm 4 for vertical
[23:57:25] <_methods> i forgot decking off the back
[23:58:06] <Computer_Barf> sorry _methods: im not following you , SMLI5
[23:58:24] <_methods> you'll need 4 vise setups to finish the part in a vertical
[23:58:27] <_methods> the lower part
[23:58:32] <_methods> the L shaped one
[23:58:41] <Computer_Barf> its tiny
[23:59:02] <Computer_Barf> i dont think even more than one vise will fit over it
[23:59:05] <_methods> i think you can do the top one with only 3 vise setups
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[23:59:42] <archivist> sometimes fighting wast metal is silly, using the waste for clamping can be sensible
