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28 steps for a printed cnc-mill
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Has anyone noticed the increase in the number of PSAs against counterfeit merchandise since the advent of home 3D printers? Is that really a issue or is it a perceived fear?
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I'm assembling the production Smartrapcores . As I need to recognize them easily, I'm playing with deco on the box.
I think this one will be the most easy to name ? 
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Michal Canecky's profile photoSmartfriendz: 3d printer kit's profile photoFatman Lee's profile photoWorld Observer's profile photo
12 comments
 
lol. i like both.
I'm almost coding a hack in marlin to have a Moo sound at start :)
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Brenda Lei

General discussion  - 
 
Chinese god of wealth,  wish you all good luck
 ·  Translate
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SECTION 3's profile photo白金刚's profile photo
2 comments
 
。。。。
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Volcano!!! Where have you been all my life? And how quickly can I burn through an entire roll of T-Glass??? 
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Eric Lien's profile photo
 
Video just say processing. Kinda like you post a while ago in the ox group.
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Wang Hathaway

Show-n-tell  - 
 
Print 100pcs  lampshade for our local government~
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Ivan Hoe's profile photo
 
Nice : )
How many different designs?
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I wonder...
©2015 The Coca-Cola Company. “EKOCYCLE,” the EKOCYCLE Glyph, the EKOCYCLE Flag, and the Contour Bottle Design are trademarks of The Coca-Cola Company. The EKOCYCLE filament contains 25% recycled materials, using an average of 3 assorted recycled 20oz PET bottles.
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Camerin hahn's profile photoNils Hitze's profile photoJ Tang's profile photoAlberto Pozzobon's profile photo
4 comments
 
It's green washing at it's finest. Coke bottles are already made from recycled plastic, are recycled and in Germany you have to return them to get back some of the money invested buying em. Plus i am pretty sure that pet bottles are not the main part of the plastic in the oceans plus i don't see people printing anything really useful plus the production of the printer uses... Plastic! 
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In the system operating(in my case Windows 7 x64) if i change the windows from Repetier-host and resources explorer (for example) or any folder or program, the printer will block the movements for a fraction of second. If i do this change very fast and many times, the printer almost stop!
The firmware is marlin.
My Windows has something; any idea?
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Walter White's profile photoMark Rehorst's profile photo
8 comments
 
If the controller sees the card but can't read files from it try formatting the card in your PC using the formatting program here: https://www.sdcard.org/downloads/formatter_4/
Then copy your gcode files to the card and try it in your printer.  If it still doesn't work, try a different SD card.  Some processors have difficulty reading some cards but not others.  I ran into a similar problem with the SD card in my smoothieboard.
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jeremie laflamme

Questions/Help  - 
 
Ok....


Thank you... I got something nice.
On the left is the second print 0.25 MM layer size
100% extrude

Now I will play around and fine tune.

Again thank you to all
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Rashid Al-Haqbany's profile photojeremie laflamme's profile photo
5 comments
 
Built by a fab lab in Montreal.

This is a hand made system
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About this community

A community centered around open-source and hobby-level 3D printers and their enthusiasts. The people here are very enthusiastic about 3D Printing and always willing to help. Ask questions! Post pictures! Join us! Responsible disclosure of business ties are required. We have a strict policy on spam and irrelevant content; which includes closed source or patent encumbered development - please also read the full community rules (linked below). Links:

Hrt Tele

General discussion  - 
 
Check out my latest video on 2 methods of bonding 3d prints. Feel free to share, comment, and like.

http://youtu.be/urw455MOcpI

#3dprinting   #3dprint   #3d #3dprinter  
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And here it is - our extended   #ultimaker2  review

Feedback appreciated cc +Erik de Bruijn +Ultimaker 

Video to follow shortly

// Nils Hitze
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Sekar S

Questions/Help  - 
 
What could be the reason for those bubbles? Bed temp: 75
Extruder temp: 185

PLA, GREY

Rapide Lite.

I am printing at one end. Other end it came very good with above settings.
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Jean-François Talbot's profile photoSekar S's profile photo
6 comments
Sekar S
 
I think that particular corner bed is tooo close to nozzle. I will lower it a bit too. Also will try to lower temp as suggested. 
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Benjamin Engel

General discussion  - 
 
Has anyone thought about making their own polyjet printer? they print at about 16 microns and I think you should be able to mod a normal paper printer to print with resin and then add some strong UV LEDs to print heads.

something like this: https://www.youtube.com/watch?v=W_WvOVaOoyU

but what if you used UV cured resin and made it have a z axis? you could have full color high res prints. could you not? 

IDEAS
1) hook up a arduino on the paper feeder pins and instead of a new sheet you could make it move the z

2) no new firmware, you just tell it to print a few hundred "pages" at a time with each page being a new layer.

3) a very specific color is = to a different material, it would be much easier to print rigid along with flexible. 
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Maxim Melcher's profile photoMiguel Angel Salmeron's profile photoRumen Novachkov's profile photo
 
Awesome!
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My printer is in a technology fair competition this weekend and it's for the final round of judging (State Tech Fair). I want to print something that will be both impressive to the judges and easy to print, while still having a good reasoning behind it such as it serving a purpose. Most importantly however it needs to be printable in about 15 minutes or so. Can anyone recommend a file? Thanks,
Griffin
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John Penney's profile photoMichael Scholtz's profile photo
2 comments
 
Try this http://www.thingiverse.com/thing:322336 or
http://www.thingiverse.com/thing:645405
Not sure about time can maybe cut the bottom of the pulley to shorten the print time.
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Krystal Zhou

General discussion  - 
 
Computer-Aided Design and Fabrication of Finger Prosthesis

Custom-made esthetic finger prostheses, which are used for rehabilitation of patients with missing or impaired fingers, have been fabricated manually. However, such fabrication is time-consuming and requires manual skill. Here we propose a computer-aided method for fabricating finger pros-theses to save time and allow fabrications that do not require considerable manual skill. In this method, the dimensions of a patient’s healthy finger on the contralateral hand are first measured using a caliper. Using these dimensions, a three-dimensional model is constructed for fabricating a prosthesis for the patient’s impaired finger. Using the 3D model, a mold is designed using 3D modeling tools and a computer-aided design system. The resulting mold is then fabricated using a 3D printer. A finger prosthesis is fabricated by pouring silicone resin into the mold. A finger prosthesis for a volunteer was experimentally fabricated according to the proposed method. To evaluate the size and shape of the finger prosthesis, the difference between the finger prosthesis and the original finger of the volunteer was analyzed. Because the average difference between them was 0.25 mm, it was concluded that the proposed method could be used to fabricate a finger prosthesis of adequate size and shape.

Full Paper Link:
http://goo.gl/yCwVKL
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發慧倪's profile photo
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Wang Hathaway

General discussion  - 
 
Cool gun~
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Aircolt Airsoft - Lawson's profile photoG&P Airsoft's profile photo
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Elena Shill

General discussion  - 
 
I want one of this so bad!
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Laird Popkin's profile photoJames Hudson's profile photoNathan Brooks's profile photoNazrulislam Khan's profile photo
4 comments
 
+Laird Popkin, the Bioprinting aspects have always been more interesting to me.
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Peter L

Questions/Help  - 
 
Just completed a large version of the i3 so I have a build area of 250 * 350 *350 high. Moved all the gear from my old i3 and all working except that it randomly looses steps on x always in the one direction.
Replaced the cable, smooth movement, nothing binding , so over the last 5 days ( about 30 dry runs) , changed the stepper drive current from just enough to move till it was nearly going into thermal shutdown, same result
I did see it do it once as there was no sound from the printer and when I look up the X had stopped for about 2 seconds and when it started moving again was clearly now in the wrong place as it should have been moving right at that time and was now 2cm too far left.
I am about to swap the X/Y direction to see if the problem moves to Y or stays with X but any other suggestions and what this could be and it's not a loose belt.
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Peter L's profile photoGriffin Paquette's profile photo
26 comments
 
A weekend isn't bad. I had mine down for about 3 weeks when I really needed it because my mechanical switch autoleveling decided to not want to work anymore. Switched to using an aluminum plate and an inductive sensor and have had nothing but perfect first layers. It's definitely a learning process this hobby...
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I bought that PLA over half year ago and from first days after opening it was breaking, it wasn't issue until spool get to 30% and diameter lowered enough. Now I get it breaking in hand when trying to reach it from spool to extruder or in bowden tube.

Why would it happen, I keep humidity around 18% in room where printers ale located.

Any other thoughts other then not buy from same supplier?
I would mention only that I bought 3 spools, 2 were opened and had that issue.
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Mark Emery's profile photoJason Barnett's profile photo
12 comments
 
I have had the same issue and it is temperature related. The filament was fine until winter time. If I tried to move it while it was still cold, it would snap off, but if I warmed up the room for a while, I could print with no problems. If I didn't pull it out of the extruder before going to bed, I would wake up to a broken filament.
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Joe Spanier

Questions/Help  - 
 
What software are you guys using for dual extrusion. So far Ive tried

Simplify3D- Leaves a ton to be desired. The inability to control print order and how it deals with separate processes is frustrating. That and the lack of purge geometry.

Slic3R 1.2.6- better to deal with from the separate filament profile/extruder settings point, but still no easy way to deal with purge geometry. 

Cura 15 - Best of the three so far. I like the purge tower/wipe skirt options. The separate profiles leaves something to be desired but its damn easy and thats nice. 

Im most curious if anyone has any tips and tricks for Simplify or slic3r or anything else I should go play with. I don't see a lot of dual extrusion posts on here. For reference I'm using a Cyclops and a flexy dualy on a +LulzBot TAZ 4
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Mike Kelly's profile photoJoe Spanier's profile photo
2 comments
 
I really wish their scripting was better documented. I wanted to do exactly this but had no clue how to look for the tools being selected and all that. Thanks for this I'll play with it
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