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  1. Yea you are right I really want to use roberts design! =) https://www.youmagine.com/designs/alternative-um2-feeder-version-two
  2. The Ultimaker is often used for showcases and exhibitions. So it gets transported alot between locations. I want to remove everything possible that "sticks" out of the printer to make these transports more hassle-free. The ultimaker2 feeder mecanism is so simplistic and small that it is perfect for what I´m up to. It´s also a dual head machine so the space I would save would be segnificant.
  3. Hi everyone, my newest project is to put an Ultimaker2 style material feeder on my Original machine. I already "googled" for the specs of the UM2 feeder motor and found this google group: https://groups.google.com/forum/#!topic/ultimaker/qCBoH9TX6z4 So the specs are: Nema 17 Bipolar Stepper 0.9° Step angle 400 steps per revolution 44 N*cm holding torque The one I choose is this one: http://www.exp-tech.de/Servos-und-Motoren/Stepper-Motor-68-oz-in-400-steps-rev.html The things left to do are to change some settings in the marlin firmware but dont know what exactly. I know that have t
  4. I'm using HIPS at the moment and orange oil (or D-Limonen) as solvent. Its perfect for use with ABS and PLA because there is enough anhesion between the different types of plastics so everything stays put but also there is no real melting reaction between those and the objects stay seperated from one another. And with its easy handling, a same pricepoint like ABS/PLA and a solvent that is easy to get and also not very expencive (and good smelling by the way ) its by far the best support material i've ever had!
  5. Hey, a few months back I started a thread about intelligent ways for creating support material based on my experience with a printer from stratasys. Since I'm no programmer and can't help with implementing those features I think these features would be hard to take on. But there is one setting that could be implemented with relative ease I think. The slicer from stratasys gives the support a solid top of 1 to 3 layers (can be set in the settings). For solouble support material this feature is just golden and guarantees a nice finish of the outer shell of the main object. And the support mat
  6. Hi, I just bought the merlin hot end because it really looks very promising! =) I also bought a 4.7kOhm resistor for the thermistor. My problem is that I dont exactly know where I have to solder those? I have a dual extruder setup so I bought everything twice! Are the pins I need the ones marked as: R21 and R23 near the temp sensor connections? And my last question is: Where do I connect the new temp sensors? Do they also come on the little PCBs on the printhead? Thanks for all answeres in advance guys! =)
  7. Thats a real bummer with the patent. But the first setting I mentioned is also kind of used in KISSlicer if Ihave looked correctly. The beginning of the support material is rough but when it comes closer to the objects surface it gets more compact and dense. I would really love to see that feature in Cura!! =)
  8. Hi, The design department in our university where I study has got an ney 3D-Printer from stratasys. Because of my experience with the Ultimaker I was made partly in charge for it. While playing around with it I noticed some things in the slicer which are very helpful. So I thought that I could post my findings here because I think that they would be very good additions to the already extraordinary cura! =) It's mainly about the support material and how so save as many as you can without decreasing the overall print quality: The first setting for support material: You can set the density o
  9. Thanks Daid, I will try. So I need a stepper motor with these specifications: 2-2 Phase Bipolar - Unipolar? Each phase draws current 1A / 1.2A at 3.5V / 3.6V Steps / Step-Angle is important for accuracy (I believe the stock ultimaker motors have 200 steps?) Is that correct, or is there more?
  10. Where can I find the specifications for the motors used in the ultimaker? I can't find the datasheet or a description in the wiki... :/
  11. Thanks for the tips. If I have understood everything correctly: Can I use this motor? http://www.stepperonline.com/9deg-nema-17-bipolar-stepper-12a-11ncm156ozin-17hm081204s-p-99.html
  12. Hi everyone, I would like to build a direct extruder. I know that it would be good if things don't get too heavy. So my question is: Can I use other, smaller, stepper motors than the ones that are included with the ultimaker to save weight? And if yes, does anyone know which motors can be used?
  13. Hallo! Ich heiße Lukas, bin 23 Jahre alt und melde freudigst einen zweiten Ultimaker in Magdeburg! Ich studiere hier Industrial Design, wobei ein 3D-Drucker wirklich Gold wert ist und benutze meinen Ultimaker daher beinahe täglich für meine Entwürfe. Grüße!
  14. The new Cura engine has improved my printquality in many ways and has speed up the overall printtime in most cases! =) But I have one feature request though: The setting for: retraction will be enabled on all moves. With this setting not available the top areas are scarred with pla that ozzed out of the nozzle and hollow objects are filled with strings. Will that feature return in Cura 13.06.x?
  15. I'm currently using Cura 13.06.3 on windows and I'm impressed by the progress made already! Normaly I use Ubuntu, but Cura 13.06.3 isn't working on linux at the moment so I 'had' to switch to windows to test the new versions.... If I start Cura 13.06.3 under Ubuntu 13.04, installed with the .deb installer from software.ultimaker.com Cura opens but the 3D view is blank and I get this output: Traceback (most recent call last): File "/usr/share/cura/Cura/gui/util/openglGui.py", line 185, in _OnGuiMouseDown self.OnMouseDown(e) File "/usr/share/cura/Cura/gui/sceneView.py", line 582, i
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