#Prints shrinking only on thé Middle of thé part

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rose yarrow
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Im printing and having a sort of shrinking on thé Middle of thé part,

I discover this behaviour when trying to calibrate thé holes printed, those had a 1 mm déviation all thé time, so I printed a series of rings at several sizes, 25-20-15-10

My prints behave like having this behaviour at 25c room temp, 230c @ 100c bed abs

floral juniperBOT
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AI Help

It sounds like you may be experiencing warping or shrinking in the middle of your prints due to cooling issues. Here are a few steps you can take to troubleshoot and potentially solve the problem:

  1. Check your cooling settings: Ensure that the part cooling fan is properly positioned and functioning during the print. Adequate cooling can help prevent warping and shrinking.

  2. Adjust your bed temperature: Experiment with slightly different bed temperatures to see if it affects the warping. Sometimes adjusting the bed temperature can help improve adhesion and prevent warping.

  3. Use a heated enclosure: If possible, consider enclosing your 3D printer to maintain a more stable and warm environment during printing. This can help prevent uneven cooling and warping.

  4. Check your print bed leveling: Ensure that your print bed is level and properly calibrated. An uneven print bed can lead to adhesion issues and warping during printing.

  5. Consider using a brim or raft: Adding a brim or...

WARNING: This response is AI generated and may contain errors.
rose yarrow
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This is my calibration test, as you can see they are intended to fit each other

rose yarrow
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has you can they are kinda ok, but at the bottom looks a mixture of elepants foot and shrinking

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at first i tought it was a problem from room temperature

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been printing at 15c room temp last week, outside was 2c

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but now we have 25c room temp as well the outside, so im kinda lost on this one

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i manage to kinda fix the hole problem, now they fit, but the lower part problem remains

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anyone has any idea what exacly this could be? any help is appreciated