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Unnecessary Support Placement

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I have a question regarding support placements.

In the attached pictures you can see that the overhang of 45° and the tubes on the right are not marked red, only the holes. But Cura still puts unnecessary support underneath. Why does this happen?


The support overhang angle is set to 65° and it doesn't matter if I change it to 50° or 80°. All other settings are set to recommended.

The support blocker function isn't helpful aswell.


Thank you.



Edited by Spengler

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I think you simply don't understand how to use support blocker ....

You need to clic on Support blocker icon, here a gray cube will appear
You need to drag and scale the cube where you don't want support

DO NOT put the cube on the buildplate or on the support, just on the face where you don't want the support (like on your big tower support top )


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