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line direction of bridge first layer


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Posted (edited) · line direction of bridge first layer

Is it possible to set the line direction of the first layer of a bridge? I have a void of 2 by 14 cm which needs to be bridged, but I cannot use supports since it is inside a box with holes. It now is sliced with the first layer lines over the void in the longest direction, and starting in the middle of the void. the first version of the model I printed was good, the direction of the bridge layer was 45 degrees there, but the model changed and I can't reproduce it.

 

I tried with setting top/bottom line directions, adjusting object rotation, layer thickness, initial layer thickness, adjusting the height of the ceiling in the model itself, nothing helps. 

 

Cura V 4.8.0

 

Screen Shot 2021-01-20 at 13.09.32.jpg

Edited by wimverbe
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    • 3 months later...
    Posted · line direction of bridge first layer

    I came here to ask this question too! I have a 6cm x 10cm void to bridge (I know that’s big, but the attached photos are just test prints for a larger design, so I can't print it flipped over 180).

     

    The only thing getting in my way is not being able to change the direction of the initial bridge layer. Nothing will force them to stop laying diagonal first layer, and my printed version of this test print shows that my settings can work with all but the longest of diagonal stretches. I just need to be able to tell it the first layer needs to be 90 degrees.00F05644-37BA-4783-B11B-38C99CB60E84.thumb.png.beee2e4be3b4a2e17c5479613c8d4167.png

    5983B8EA-3748-425B-B184-895B171E501D.jpeg

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    Posted · line direction of bridge first layer

    The only way to change the bridging direction is rotate your model on the build plate.

    See here:

     7505223_Screenshot(162).thumb.png.b4d02b8af998e22e846d43c76889d423.png

     

    After rotation:

    1688266107_Screenshot(163).thumb.png.a7da9ea64101a36d381744076fe2af23.png

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