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Need help with strange tower adding everytime I print a model


JujuLab
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Posted · Need help with strange tower adding everytime I print a model

Hi everyone,

 

 I'm new to 3D printing and since I updated to Cura 4 I'm having trouble with a really annoying phenomenon happening on each and every one of my prints: when the nozzle goes between parts of a model that has gaps or holes, it prints a little tower right in the middle making my print ugly thus adding post-processing that could be avoided.

 Could someone please help me figure out what is going on?

 

Many thanks!

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    Posted · Need help with strange tower adding everytime I print a model

    Hi everyone,

     

     I'm new to 3D printing and since I updated to Cura 4 I'm having trouble with a really annoying phenomenon happening on each and every one of my prints: when the nozzle goes between parts of a model that has gaps or holes, it prints a little tower right in the middle making my print ugly thus adding post-processing that could be avoided.

     Could someone please help me figure out what is going on?

     

    Many thanks!

    IMG_1474.jpg

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    Posted (edited) · Need help with strange tower adding everytime I print a model
    2 hours ago, smartavionics said:

    Hello @JujuLab, please save the project file (File -> Save) and attach the .3mf file to this thread. Thanks.

    Hi @smartavionics , please find the requested file attached, thanks a million for helping me out!

    DD_180-220_PLA_Temp_calibration.3mf

    Edited by JujuLab
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    Posted · Need help with strange tower adding everytime I print a model

    Hi @JujuLab, thanks for the file. I can't explain the weird tower in the middle but the other dangly bits are probably because the model has bridges. You could try enabling the experimental option "Enable Bridge Settings" which will modify print speed, flow rate, etc. and that may improve the quality.

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    Posted · Need help with strange tower adding everytime I print a model

     

    On 3/29/2019 at 12:07 PM, smartavionics said:

    Hi @JujuLab, thanks for the file. I can't explain the weird tower in the middle but the other dangly bits are probably because the model has bridges. You could try enabling the experimental option "Enable Bridge Settings" which will modify print speed, flow rate, etc. and that may improve the quality.

    Thanks for your help anyway, I'm still trying to figure out why this is happening, printing retraction towers to test out what can be modified to get rid of the tower but I'm not having any luck so far.

     By the way, I also get those branchy bits on retraction tower tests (like the one attached)

    Retraction.stl

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    Posted · Need help with strange tower adding everytime I print a model

    I noticed this tower always appear right in the middle of my build plate, the only solution I have right now is to print anywhere else but in the center which is not ideal...

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    Posted · Need help with strange tower adding everytime I print a model

    Ok folks, I figured out what the issue was, it came from Octoprint, I deleted my old install for a nice clean updated one and everything is back in order.

     I've no idea why this was happening, I might have tweaked some settings that I do not remember of but anyway, undesired tower is now gone!

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