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Why Cura adds a floor and how to prevent it?

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Posted · Why Cura adds a floor and how to prevent it?

Hi all,

 

I try to print half of a sphere without a floor. So only the outer shell but cura adds a floor all the time. I found an old thread reagarding this where ``unticking "Union overlapping Volumes" was mentioned to help. I also disabled support and also set build plate adhesion to none. Using "Spiralize outer contour" doesnt help. Anyone knows what to settings to use to get this printed without a floor?

 

Many thanks.

hollowhalfsphere.stl

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Posted · Why Cura adds a floor and how to prevent it?

The problem is with the model, the wall of the half sphere has no thickness.

 

Screenshot_2020-02-22_12-26-43.thumb.png.f81a08ffac306af8f85f4e3dc16ad6a6.png

 

Screenshot_2020-02-22_12-25-24.png.b99880e196332677327c6ae6263d8207.png

 

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Posted · Why Cura adds a floor and how to prevent it?

this is with bottom layers set to 0

halfsphere.jpg

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