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Cura fills hollow cylinder where shaft is supposed to go


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Posted · Cura fills hollow cylinder where shaft is supposed to go

I could use some help slicing. The circled area is supposed to be a hollow cylinder with one square side so that it can slide on to a keyed shaft. However, Cura is filling it in as can be seen by the arrow. If I turn support off it doesn't fill it, however, I need support on because the model gets much wider at the top. Any help would be much appreciated. I have attached the stl file as well. 

curaHelp.jpg

ender_3_extruder_knob__groot.stl

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    Posted · Cura fills hollow cylinder where shaft is supposed to go

    You can do it by creating a support blocker using this tool on the LHS

     

    Screenshot_2020-08-20_18-54-55.png.917ecbdfc592bf93f370db0bd3c6d69d.png

     

    Position the block so that it completely meshes with the region that should not have support

     

    Screenshot_2020-08-20_18-54-44.thumb.png.dc0ecb0f5b818f55213951548a77beac.png

     

    When you slice, the support isn't in that region

     

    Screenshot_2020-08-20_18-54-28.thumb.png.ebf6ddf3f6a88845db2fc39584f57b57.png

     

    The support blockers can be moved and resized like any other mesh.

     

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