Why does The seam jump around like this?

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DLS79
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Why does The seam jump around like this?

Postby DLS79 » Thu Mar 26, 2020 1:07 am

The Outer shells of this print are exactly the same from top to bottom, but the seam doesn't stay in the same spot even though I have layer start point set to fixed, and place seam on set to none. It seems almost like when other features start or stop like top and bottom solid fill, etc the seam jumps to a different location.

What causes this, and how do i fix it?
IMG_20200325_174911.jpg

IMG_20200325_174943.jpg

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Vicky@Raise3D
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Re: Why does The seam jump around like this?

Postby Vicky@Raise3D » Fri Mar 27, 2020 12:15 am

Would you like to share your .idea, .gcode and .data files with us? So that we can check your model and settings?

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DLS79
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Re: Why does The seam jump around like this?

Postby DLS79 » Sat Mar 28, 2020 4:17 pm

Attached is the stl and an export of my slicer template settings. Through pure trial and error I was able to determine that it all seems to be tied to "Print External Shells First".

It is enabled in the attached export and everything works as expected, the seem is in the same place. As soon as its disabled, the seam jumps around depending on other features of the model.
Attachments
min-export.bin
(22.02 KiB) Downloaded 14 times
NozzleHolder.stl
(379.77 KiB) Downloaded 21 times

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Vicky@Raise3D
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Re: Why does The seam jump around like this?

Postby Vicky@Raise3D » Tue Mar 31, 2020 5:45 pm

Try disable "Print External Shells First" and enable "Print Shells in Optimal Order" and see whether result gets better or not.

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DLS79
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Re: Why does The seam jump around like this?

Postby DLS79 » Wed Apr 01, 2020 5:24 pm

Vicky@Raise3D wrote:Try disable "Print External Shells First" and enable "Print Shells in Optimal Order" and see whether result gets better or not.


Thanks, that seems to be better than printing external shells first.


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