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Small thin tower print failure

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Hi there,


I've tried a few times to get this right, but I'm still failing - see my failed print images.

The dimensions of what I'm trying to print are quite small - see my drawings pdf

And I'm using a flexible material with my Ultimaker 3 extended - https://rigid.ink/products/flexible-pla-2-85-mm-0-03-mm-tolerance-filament


Is this shape possible to print being that it is so small? I thought the problem was overheating as per this explanation https://rigid.ink/pages/ultimate-troubleshooting-guide#issue-overheating-14 i printed more to help with cooling, but that resulted in increased stringing. I couldn't find a setting to slow the Ultimaker down at the top sections, but maybe i missed it?


I've included the 3mf file if that is useful, but any help or pointers would be very gratefully received.


Many thanks,



Failed Print 2.jpg

Failed print 1.jpg

UM3E_2018_08_17 Print Setup.3mf

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Just so's ya knows:

  1. The basic .3mf file does not hold all the Cura settings. I opened your file and all it gave me was the geometry. To save all the settings for evaluation, use "Save project" and make sure the file is a .curaproject.3mf file.
  2. I would jump to the basic, way to fast idea on this. I have printed cones similar to this and I had to slow down the print speed.
  3. I do not think there is a change speed at height plugin or setting though.....

Not sure about the filament since I have not used it before. Sorry about that....

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Thank you @kmanstudios for your thoughts and guidance. Will try swapping to the Ultimaker version of the rubbery material next. 

I slowed the print down to around 8-4mm/s and dropped the temp 20degree below what it advised, but that didn't work either. I guess it's a trial and error thing.


Might have to go old school and cast them...

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Stringing is material leaking from the nozzle while moving between print areas. Retraction pulls back the material a bit to clear the nozzle. Materials have different viscosity so some are more prone to leakage (oozing i think in Cura language) than others hence the need of more (longer) retraction. Nylon and ABS is typical materials prone to stringing.

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