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Size issue when printing on Ender3 with cura 4.8.0


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Posted · Size issue when printing on Ender3 with cura 4.8.0

Hello friends,

 I have noticed an issue when trying to print a part with 18cm size on my Ender 3.

When printing gcode generated from cura 4.8.0 slicer it it is reduced to approx. 15cm.

I don't understand why this is hapenning, Had to use PrusaSlicer to print this stl file to keep good size.

I allready tried other older version of Cura with no luck, same issue reoccurs.

 

Please find issue in screenshot, skirt is representative of final size.

 

Any help will be great.

Capture.JPG

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    Posted (edited) · Size issue when printing on Ender3 with cura 4.8.0

    The bottom of the model isn't flat on the build plate. 

    You can adjust the model or in Cura, select the rotation tool and "lay flat".

    Or select the Move tool and set the "Z" to -0.2.

     

    There wasn't enough room in the gap at the right end for Cura to put support.  That end would have air-printed.  The size would have actually been OK.  It was just the skirt that made it look like it wasn't sized correctly.

    Edited by GregValiant
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    Posted · Size issue when printing on Ender3 with cura 4.8.0

    Select the model, select the rotation tool, select "lay flat".

     

    BUT what if the error is in the model and the walls aren't square to the floor?  Does it matter?  On parts destined for assembly it probably would.  With this one probably not.  It's just more to think about.

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    Posted · Size issue when printing on Ender3 with cura 4.8.0

    ... definitely  a design-error... I think it supposed to be flat, but it isn't. Can be fixed by redrawing the item but if height isn't an issue you can as suggested move the Z a little down...

     

    If it's your own design, pay more attention on how things are drawn...

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    Posted · Size issue when printing on Ender3 with cura 4.8.0

    Thanks for all you replies !

    Design is not from me, I found it on thingiverse.

    Height is not an issue so it fix the issue after move the Z little down

    I can now see correct brim over the piece

    Will pm the designer to avoid any other people to do same error, to print it straight forward (without move z down first).

     

    Which slicer did you use ? I personally prefer cura but also tried prusa slicer.

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    Posted · Size issue when printing on Ender3 with cura 4.8.0

    I did it in Cura.  It's one of 12 slicers I have installed but it is my preference for my personal work.

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    Posted (edited) · Size issue when printing on Ender3 with cura 4.8.0

    Best is to leave a comment on Thingiverse instead of a pm... then the designer and everybody else can see there is a little problem with the design and you can tell them how to solve it 😉

     

    I mostly use Cura, but also have PrusaSlicer installed...

    Edited by Mari
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    Posted · Size issue when printing on Ender3 with cura 4.8.0

    Done. 😀 Hope it will help everybody.

    https://www.thingiverse.com/thing:3581913

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    Posted (edited) · Size issue when printing on Ender3 with cura 4.8.0

    I've added two screenshots to the comments on Thingiverse to explain the design-fault 🤪

     

    We are here (and on Thingiverse) to help... Happy Printing...

    Edited by Mari
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