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Small thin tower print failure


MakeHappen
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Posted · Small thin tower print failure

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,

Anthony 

Drawings.PDF

Failed Print 2.jpg

Failed print 1.jpg

UM3E_2018_08_17 Print Setup.3mf

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    Posted · Small thin tower print failure

    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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    Posted · Small thin tower print failure

    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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    Posted · Small thin tower print failure

    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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