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Cura creates wholes on 123D input


mizu42
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Posted · Cura creates wholes on 123D input

Hi,

I have a problem with designs made with 123D.

When I build a model in 123D (off-line PC version) from 2 simple object, like cube + cylinder and both objects are intersecting each other, then Cura does not fill the intersecting space with the mesch. It simply leaves this space empty. Causing very weak connections between the two objects.

A simple STL sample can be found here:

http://lausbua.de/temp/123D-test.stl

I did not find any hints w/ the search, so I hope I am not annoying you with an already answered question...

Any hints are welcome.

Thanx!

Mike

 

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    Posted · Cura creates wholes on 123D input

    Cura is actually doing the right thing - it is the model that is wrong. It should't have separate objects that intersect each other. SInce the STL format is pretty simple, it really can't tell whether you intended there to be an internal void, when it finds a wall inside of another object. You need to union the objects together in your modeling software, to create a single object, or alternatively the the 'fix horrible' settings in Cura's Expert Settings, to have it ignore the internal holes.

     

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    Posted · Cura creates wholes on 123D input

    Cool!

    thank you very much!

    Both suggestions work.

    Doing it in 123D right away, or fixing it in CURA via the expert settings.

    Could somebody enlighten me about the difference between type-A and type-B combine in CURA?

    Thanx,

    Mike

     

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    Posted · Cura creates wholes on 123D input

    Type-B will also remove internal "holes" in the 2D slice. Simple example. If you would have the model of a hollow cylinder, type-B will remove the hollow inside and just make a cylinder.

     

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