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ioan dascalescu

General discussion  - 
 
Hi all.
I'm looking for calibration tests files, please. Suggestions 
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Keith Applegarth's profile photoPeter Hertel's profile photo
3 comments
 
Make a few squares and cylinders in openscad. I find it very valuable to be able to quickly change the parameters based on what I want to tune.

I like to have a 20x20x5mm cube and 20x5mm cylinders for quick test prints, a 100x100x1mm cube for squaring and step tuning, a 50x5x50mm cube for testing taller objects fast.

This one is also pretty neat: https://github.com/josefprusa/Prusa3/blob/master/box_frame/extras/calibrate.scad
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William Frick

General discussion  - 
 
Encountered a strange fault/error running PID auto tune in Marlin.  Even the base command M303 with no extra parameters returns "Autotune failed. Temperature to high ! "  +Thomas Sanladerer or any other Marlin pros have a clue where I should start looking ?
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William Frick's profile photo
5 comments
 
Uploaded new e-steps and tried M303 S250  and it worked once .... Couldn't repeat. Got the other stuff sorted and will pursue this again tomorrow.   zzzzz
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Mark Emery

General discussion  - 
 
Wife: That really repetitive music that's playing is getting really annoying!
Me: [Puzzled look, checks headphones on bench are off] What music?
Wife: That durr durr durr ... durr durr durr... durr durr durr
Me: [Walk over] Have you left a phone off the hook?
Wife: No, it's stopped now, it was like nerrr nerrr nerrrr..
[3D Printer gets to the same point in print of my CF card holder]
Wife: There it is again!
Me: Do you mean that? [Points at printer]
Wife: [Facial expression says it all] !!!

Guess I better get the old dishwasher carcass as printer housing up the priority list! It's 50db over by her desk.
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Mark Emery's profile photoJonas P. Proeger's profile photo
10 comments
 
HM, Tom prefers the spreadCycle mode of this driver, which is also a sinosoidal waveform, not a fullstep mode. From my understanding the same current integral should be same torque (minus vibrations) - anyway - I talked to Watterott and I understood, they will have these things on stock again soon. Guess they where busy with the raspberry birthday:)
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Dan Petrovic

General discussion  - 
 
I've learned a valuable lesson. While I'm still trying to absorb all the tips you guys gave me in the last few days I decided to try printing something fun, a hoverboard. After a disappointing initial outcome, painful clean-up and messy result (all pictured) I stumble across a stupidly simple idea. Eliminate the need for support structure! Break up the hoverboard into 4 parts (3 levels) and print separately. Super glue each level (1 board, 1 base, 2 disks) and voilà! Super-clean results. Didn't take any photos, but it's very  neat. I found that if I set software to print one object at the time gives better results instead of jumping between objects which tends to cause warping... I'm guessing due to cooling.
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Dan Petrovic's profile photoKenneth Sloan's profile photoVince KC Chin's profile photo
8 comments
 
Your Dremel tool is your friend...
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YODA KNIGHT

General discussion  - 
 
work in progress Inmoov open sourse robot  with my reprap
 ·  Translate
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Pierre Brown's profile photoMacit Mücahit's profile photo林義順's profile photok-electrónica's profile photo
3 comments
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ciprian moloci

General discussion  - 
 
Working with colleagues from Deakin University and CSIRO (Commonwealth Scientific and Industrial Research Organisation), researchers from Australia's Monash University have created the world's fir...
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Adam McBride's profile photoE. Gabriel Zamora López's profile photoNorvin Tesecum's profile photoJan Nejedly's profile photo
2 comments
 
High end stuff
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Peter Knudsen

General discussion  - 
 
Linkling troubles
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ciprian moloci

General discussion  - 
 
 
Innovative 3D Printer Suitcase
2 comments on original post
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Pete Tulli's profile photoDylan Pruitt's profile photoTim Youngblood's profile photoJ Wall's profile photo
10 comments
 
Very nice!
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4
Christopher Walker's profile photoHajo Smulders's profile photo
2 comments
 
But does it conduct electricity?
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James Malenko

General discussion  - 
 
I've found that air duster and component freezer is really expensive. So an easier, cheaper, and more dangerous way to take your stuck print off the bed is by using butane lighter refill gas... It works. Just be careful. 
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Keith Applegarth's profile photo
 
Rubbing alcohol. Safer and cheaper. 
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Mark Wampler

General discussion  - 
 
Chisel holder
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Frost Kilen's profile photoRené Jurack's profile photo
2 comments
 
10/10 would break the holder when putting in a chisel.

They look so fragile?! Do u have any size-comparison?
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Fabio Ferretti

General discussion  - 
 
 
Sardauscan a open source sub 30$ 3D laser scanner

here is a sub 30$ 3D laser scanner. (see instruction for BOM)

even 12$ if you already have a hercule HD twist.

you just need a arduino nano, 1 to 4 line laser and a micro geared stepper (288YJ-48)

no external power needed. just 2 free usb port on your pc.

the application and arduino firmware are still in developpement.

the code is inspired from freelss and many other open source project. It has been totaly rewrite in c# winforms.

The application is articulated around "task" (scan, open/save file , filters, average, smooth , merge, save, etc).

you will be allowed to create a process by associated some task .

As i exemple i've uploaded a sample of a typical scan process :
scan => remove noise => smooth => average laser => build mesh => save to stl

but you will be allowed to add/remove/ tweak each task. event build your own (plugins maybee)

BOM
Bunch of M3 (16 and 20 mm)

Bunch of M4 (12 ans 20 mm)

1x chinese Arduino nano (chinese copy, 4$) http://www.befr.ebay.be/itm/NEW-Nano-V3-0-ATmega328-Controller-Board-5V-16M-CH340G-USB-Driver-For-Arduino-/141433274102?pt=AU_B_I_Electrical_Test_Equipment&hash=item20ee147ef6

1x chinese Stepper Motor and controler (5$) http://www.befr.ebay.be/itm/Uln2003-Stepper-Motor-Drive-Driver-Stepper-Motor-Controllers-5V-4-Phase-5-Line-/261743645463?pt=LH_DefaultDomain_3&hash=item3cf1231317

1-4x Line laser (2.5$ piece) http://www.befr.ebay.be/itm/251688838898?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649

1x Hercule HD twist (15$) http://www.befr.ebay.be/itm/Hercules-HD-Twist-5-0-MP-720p-High-Definition-Mini-Web-Cam-Green-Edition-/381162889539?pt=LH_DefaultDomain_0&hash=item58bf142143 20x20 profile ( can be printed : for exemple http://www.thingiverse.com/thing:280318)

optionnal 3x 4mm roller (0.3$ piece)

total 26.5$ (1 laser) to 35$ (4 lasers)
17 comments on original post
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Sebastian Schmidt's profile photoJeffrey Wigington's profile photoMarcin H Przybylski's profile photofabio caruccio's profile photo
7 comments
 
I've seen it, but when i've started, nothing was released yet. and as i'm a impatient guy... :)

i've take a look at the ciclop firmware, if all are so complete and well done, it will be surely be a reference.

I'm impatient to see the application that goes with it, and how they manage to remove noise, reconstruct meshes and do the calibration ( my 3 bigest problem ;) ) i hope they have solutions and don't rely on meshlab to reconstruct the stl.
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Griffin Paquette

General discussion  - 
 
Has anyone seen any good designs for printed bushing slides that go on 2020 aluminum extrusion for deltas?

I'm working on a design and want to make it as printed as possible!!

Thanks,
Griffin Paquette
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Mauro Manco's profile photo
2 comments
 
Check +Mark Moissette​ delta . Or for maintenence free use wheels.
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MatterHackers

General discussion  - 
 
 
Learn how to send files wirelessly with #MatterControl Touch in this quick tutorial. http://ow.ly/JK5tu
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MatterHackers's profile photoWhosa whatsis's profile photoD DLM's profile photo
5 comments
 
That did it.
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Michael Scholtz

General discussion  - 
 
Is it 3D printer sex when you see it making another printer. Either way the printer is copulating to make the 25mm version. Size I'm going for is 450 wide by 28 deep (have a glass plate that comes from the inside of an oven door so heating won't be a problem. And that's how big it is) Hight I haven't decided yet. I don't think I ever print over 300 high but just in case I'm thinking about 400 - 450mm high 
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Terry Downes's profile photoalbert van wessel's profile photo
7 comments
 
How are you going to heat That surface?
Do you make your own heatbed?
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Luis Mestre

General discussion  - 
 
BOUGHT A NEW ULTIMAKER 2 AND  I'M SELLING FILAMENT & BLUE TAPE FROM MY FORMER Makerbot 5Gen 3D Printer



Brand new 4 PLA filament for Makerbot 5th Generation 3D Printer.
The filament still in the box & sealed.
Colours :
True Red - PLA- 0.9 Kg (2lb)
True yellow- PLA- 0.9 Kg (2lb)
True white- PLA- 0.9 Kg (2lb)
True Black- PLA- 0.9 Kg (2lb)

€ 35,00 each spool.
€ 10,00 3 Blue tape packs ( with 10 sheets each pack)
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Camerin hahn's profile photoLuis Mestre's profile photo
4 comments
 
the spools do not fit the ultimaker, ultimaker2 don't  print 1.75 mm filament
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Miles Flavel

General discussion  - 
 
I don't know how but I appear to be going through filament at an exponential rate. 6 months ago I finished my first whole spool (I had a few loose rolls before that but I realised how bad loose is)
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Claas Kuhnen's profile photoMiles Flavel's profile photo
2 comments
 
+Claas Kuhnen I haven't had any jams while printing with a loose roll but I've had one come close because the filament was crossed. The main issue with loose rolls is that I can't put it on my lazy susan, so I'm constantly freeing up slack every 5-10 minutes. I'm not a huge fan of DiamondAge's cardboard spools but they work well and their PLA is nice, so I can't see myself stopping any time soon.
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Andy Lin

General discussion  - 
 
My four year daughter showed me a house she made out of duplo blocks, and said "pretend that I printed this". I think I am a raising a future tinkerer/engineer. :)

#glassfamily 
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Sebastian Schmidt's profile photoAndy Lin's profile photo
6 comments
 
+Sebastian Schmidt​ 3d printing is only a very small part. She hasn't really done much with it. :)
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Benny Malengier

General discussion  - 
 
Interesting article on carbon fiber: http://arstechnica.com/science/2015/02/the-wild-weird-world-of-carbon-fiber/1/

Why can't we 3D print this yet? Wait, somebody is trying that: https://markforged.com/
I see some filaments are out there also. Anybody experience on it? Still a long way to go, or can we start to experiment ourselves on a prusa i3...
How can something that starts out like cloth end up being so strong and light?
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Evan Nguyen's profile photoBrook Drumm's profile photoBrent Moore's profile photo
5 comments
 
I've seen the mark forged in person and talked at length with a couple of the guys. The most interesting guy was the guy that wrote the software / firmware. They are super secretive but they will show you pets they made. Brian and I looked at the parts and it renders an incredibly strong part. Not good for everything but really good for some things.

Basically, they have two heads. One extrudes a continuous string/weave? of plastic-encased carbon fiber (or what have you). It lays down a layer of that in a neat spiral shape or whatever-- all in one layer. this is where the custom software blows my mind. Then it cuts the string and moves to the other extruder for regular plastic.

Really neat. Really patented all to heck.

Did I mention they are super secretive... They remove critical parts, cover things with black cardboard, never show it printing.... Drives me nuts.

Brook
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