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3design

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  1. Actually, I printed as well with ABS (with blocked the nozzle), PP (with went fairly well) and TPU (which went well after using hot glue to fix the object on the blue tape).
  2. I am still working with an Ultimaker Original using blue masking tape, e. g. without heated surface. Now I'd like to upgrade it with a heated bed. As I do not have neither the tools nor the knowledge to construct in myself: Where would you advice me to buy a heated bed fitting to an Ultimaker Original, and what key issues I would have to takt into account when installing it? As being less experienced in hardware mods, it would be nice as well if you could advise me of any helpful tutorials.
  3. 3design

    Filament abrasion in the feed: Why?

    Looks like I wa lucky with all my prints up to now - you are right, I never really wondered about too high printing speed. During the 3rd print (with succeeded in the end) i even increased the printing speed on the controller from 100 to 130% - and all went fine. I will readily try out different speeds or layer thickness, what might help as well with more filigrane objects - some of them I wasn't able to print because the moves of the print head caused them to bow and finally drop off. Thank you very much for your advice.
  4. 3design

    Filament abrasion in the feed: Why?

    As there have been no answers since, I decided to repeat the printing. After a second printing failed (again due to abrased filament), I started a third one where I continually observed the feed. I concluded that the crux of the matter was in the filament spool. The filament was so densely packed that the filament cycles blocked each other, resulting in slowing down the feed an eventually stopping it. I unwound the entire spool, so the filament was loosely lying on it. Such, I finally could successfully finish the print. I hope to help others with this solution, the topic can be closed.
  5. What could be the reason that filament was abrased inside the feeder unit and stopped to proceed? Please have a look at the following pictures (filament string which was abrased during printing, object when filament feed stopped, Cura settings): It is the first time that problem occurred. As it was a five-hour-printout, I would be glad if you told me about the reasons for the problem. Do you think one of the following could be the reason: - old filament (might be up to 3 years - overheated stepped motor in the feeding unit - long printing time, problem occurred after 3.5 to 4 hrs of printing - any of the settings chosen (Ultimaker Original, newest Cura version) I'd be glad about any idea or hint how to fix that issue.
  6. 3design

    Top layers are not printed

    That was precisely the problem, thank you very much. After having done some research, I came to the same result. Ticking the "Solid infill top" box lead to a proper upper layer. Don't ask me why the box was deselected - I never changed anything. For the sake of completeness, I add the two pictures again: The lately printed object displayed a proper, closed surface. Instead I had problems with warping, but that's another story ;-)
  7. 3design

    Top layers are not printed

    I have Cura 15.04.6, and checking for update inside Cura I read that I've got the newest version. The settings are as following: - layer height are 0.2mm, shell thickness 0.8mm, and bottom/top thickness 0.6mm, nozzle size 0.4. That should work, shouldn't it? @ pictures good point, my server is on the ISS ;-) I am quite a newbie with uploading pictures, so if you can recommend me a server on earth I'd be grateful; and, BTW, what do your mean with UMO?
  8. 3design

    Top layers are not printed

    Hi With my last printed objects, the top layers seem to miss, i.e. instead of a continuous layer, you see the square pattern inside the object. What might be the reason for that? I am using an Ultimaker one and the latest Cura version. Please have a look at the pictures added. With the icosaedron, the top layer of the biggest body is missing, with the cookie cutter, the top layer of the broader rim at the bottom. Icosahedron cookie cutter
  9. 3design

    Tinkercad does not convert my object into stl

    IMHO not so obvious as it might look like. Considering the 3D desing tips this might be a subject quite many people are interested in, as they use the same software. So why not gather the Ultimaker support for those (currently) 9 listed tools in one place such as this forum?
  10. 3design

    Tinkercad does not convert my object into stl

    Well... after three days of refusing to download my objects, Tinkercad today kept out of mischief and supplied me with a flawless stl file. Hoping that I was just creating a storm in a teacup :mrgreen: the topic can be closed.
  11. Recently, I had a problem to download an object for 3d printing made in Tinkercad. Although I can choose the "stl" option for my object, but what happens then is that a blank page opens in my browser. Who has spotted this problem as well and knows what to do?
  12. 3design

    Trouble with warping - please help

    I sprinkle the bottom of the object with IPA from all sides, wait a minute or two, and then gently insert a carpet cutter between the object and the blue tape. Sometimes, the object comes off together with the tape (without ripping it), then while holding the object in the air with one hand, with the other I press down the tape back to the build plate. Be sure to catch the right moment for that because when the PLA evaporated too much, the blue tape will stick again to the object. If the tape rips, anyway, I remove as much as possible from the object as long as there is PLA around. The tape remainders I remove by soaking the object bottom in warm water for some minutes and scraping it clean with the carpet cutter. Maybe not the most simple method but generally resulting in a clean, undamaged object.
  13. 3design

    Cura displays object outside the print area

    Reading your post I understood I can post the file here in the forum. But sure enough, posting a link to a website works as well. I'll stay tuned.
  14. 3design

    Cura displays object outside the print area

    I'm afraid to be at a loss... how do I post a sketchup file?
  15. 3design

    Cura displays object outside the print area

    I reached a higher level on confusion :???: Now, with Cura 13, I can position the object on the printing area. I tried this out with a dae file (Export from Sketchup) as well with the original stl file. With both objects, Cura showed me a "0 minutes 0 meter o gram" printing time resp. PLA use. To be on the save side, I converted it into gcode at let my printer work... and actually, he printed nothing, as shown in Cura. What might be a workaround for that?
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