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100% Infill for Small Cross Section Columns

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I am printing a model with an area of small cross section columns (3.2mm x 3.2mm). Settings of 0.9mm shell thickness and 10% inflll on a Printrbot Metal SImple. These columns are breaking and appear to be only partially filled.

I would like to have 100% infill on small cross section parts and 10% infill everywhere else. I am printing multiple models for a convention and am trying to optimize print time. Any suggestions would be appreciated.

Thank you.



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Are there any recommended dimensions for voids?


depend on the size you need to cover.


Maybe try piercing the area with lots of tiny cylinders to trick cura into printing lots of perimeters, essentially creating solid infill?


Like this but probably even more and smaller. Again that depend on the surface to cover



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