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  1. Hey, you made the firmware I am running! :D I have finished the script, and it does what I wanted: The T-rex looks a bit sad but I should be able to fix it by tuning the retraction setting. The M600 command is ignored, but the M0 works just fine, just needed to modify the other pausing script a bit. And it turns out finding the top layer is not so straightforward, I tried using the ";LAYER_COUNT" value-1 but that gives a bigger number sometimes, using "data[-1]" just give me M107 and the things after. I end up going backward in the data and just use the first layer I found. If anyone want to try it here's the script: https://github.com/cashlo/Cura-post-processing-scripts/blob/master/PauseAtTopAndBottom.py
  2. I am inspired by this video https://www.youtube.com/watch?v=KV2AjyowXX4 to try printing with multiple color on my single extruder U2+, My idea is to use a different material for the top/bottom skin, by swapping the material before and after printing the skin. I want to make a post-processing script to add a "M600 - Filament Change" to the gcode. Now my question is is there a script that already does that? I am aware of the "Filament Change" script but it only does z level now. Also, is there a option to only change number of walls for top/bottom?
  3. to me this sounds more like a software issue, maybe the Taz just need some more fine tuning or some small upgrade?
  4. I have oiled it, it doesn't seems to help much. But I found that the annoying high pitch noise is coming from the retraction, and turning it off makes it much better.
  5. The noise seems to be mostly from the motors, especially when it's doing a fast movement or when the z-level is changing. I tried adding some oil to the axis, doesn't seem to help.
  6. Hello, I recently got a second hand U2, and I have been printing nicely for a while now. It is not very quiet, but I remember seeing a U2 printing very quietly in an event, so it makes me wonder if this is caused by the age of the motor? (The last owner use it pretty heavily) Or does different U2 have different noise level? Maybe it's the settings I have? Please share if you have some tips for a quiet night printing.
  7. Thanks for the suggestions! I cut off a bit of the bowden tube, increased the space between the PTFE coupler and hot end coupler, and it seems to have stopped poping out! Also the horizontal lines seems to be better now, I guess the bigger gap makes the hot end push harder into the holder and make it more secure?
  8. Here it is, it's kinda hard to get a clear view, so you think I need to replace it?
  9. Thanks for the reply, I actually had the same problem before with the blue clip, so I replaced it with a printed one, could it be this one is also too short? Are there a recommended one? I have read those blog post, while they are very helpful, I couldn't find any information related to those horizontal lines.
  10. Hello, I recently get a second hand Ultimaker 2, after printing fine for a few month, the bowden tube starts poping out at random times in print: And when it doesn't pop out, there are some uneven horizontal lines: Any suggestions what could be wrong?
  11. Hello, I just got a Ultimaker 2 and I have been testing with Innofill3D PLA. The prints comes out pretty good except for the underside which have some bad overhang: https://ultimaker.com/en/community/prints/1570-dolphin-with-meshmixer-support I am wondering if there's something I miss besides for lower tempature(210C now), and longer cooling time(5s now)?
  12. Version 1.0


    I just get a Ultimaker 2 and playing around with a few test prints, the ones that doesn't need support come out very nicely, but those that need support seems to have some bad overhang, I am using the "High quality" setting in Cura, need some tips on how to improve this.
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