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I made the video hope you will like
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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 photo
 
http://www.thingiverse.com/thing:294950

An iPad mini stand. Print at 125% for iPad. 90% for iPhone 4, Samsung Galaxy s5.
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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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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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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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Adrian Ciubotariu

Questions/Help  - 
 
I'm trying to fuse together a darth vader face on a mug to make for a friend and I've seen crazy things done with meshlab... only problem is i'm not that great with it. i'm looking for youtube tutorials on the matter... but i am not finding what i need. so, some help? anyone?
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Camerin hahn's profile photoAnuj Deshpande's profile photo

Wesley Williams

General discussion  - 
 
just some of my skills, hope you like
galaxy S4 Darth Vader cover 2 - same as last vader but with extas
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Super exciting sneak peak of what's coming to http://GlobalFSD.com  soon! ;) Are you excited?@Proto_pasta #3dprinting   
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Producing the orthoses from a digital design, also enables the Andiamo team to produce different supports for different needs and situations at only a slightly higher cost.
 
A boy's cerebral palsy inspires his parents to develop 3D printed devices. #3dprinting
Diamo's Cerebral Palsy inspired his parents Andiamo Project to produce low-cost 3D printed orthotics with 3D Hubs's support.
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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:
 
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

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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James Hudson's profile photoLaird Popkin's profile photoNathan Brooks's profile photo
3 comments
 
3d printing gun parts is stupid - in the US (which is where the gun fanatics are pushing this story) the parts are cheaply and easily available to anyone who wants them, since they've made sure that guns can be bought anonymously over the internet with no reporting of the sales. Compared to that, who cares if you can slowly and expensively print low quality gun parts?

Why not talk about applications of 3d printing that are actually useful, such as 3d printing prosthetics? http://www.enablingthefuture.org has delivered over a thousand hands to recipients, for free, and anyone who wants one can have one, and that's something that traditional manufacturing can't do!
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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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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 photo
7 comments
 
+Mark Rehorst  The reprapdiscount full graphic smart controller find the sd card but not find the file. I can't use repetier or pronterface for copy the gcode becouse are too slow, but there is some tricks for do that via pc? Sd format type, file extension? filename sintax?
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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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Hi
I am proud to present to you my postprocess for kisslicer and ....
Allows you to manipulate the plastic pressure in the head :)
Approach number 2 :)
thumnaller for gcode files :)
more info in link
Approach number 2 :) This time with a GUI Allows you to view gcode files. Ability to rework the code using plugins. Currently available plugi-ins are: - progress on lcd - noise reduction - spring effect reduction (Useful for printing using a bowden) The possibility of making miniature icons for files :) as a side effect Thumbnaller setup: delete thing from extension :) extract tar.bz2 past files in your home dir co...
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Erich HaHaOh

General discussion  - 
 
"Lasersaber" drives his printer with solar! (Min 1:40 video)
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Ankur Mishra's profile photoBenjamin Engel's profile photoJames Hudson's profile photo
7 comments
 
+Ankur Mishra its an afinia a closed source 3D printer.
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Fantastic. Now for the rest of the jet
 
The first 3D-printed jet engines have arrived. See it to believe it. http://buff.ly/1vXBUsV
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Bjarne Panduro Tveskov's profile photoFred Deven's profile photoLeland W's profile photoChristopher McConnell's profile photo
 
Pretty display model. When will we see one producing power? 
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