Thanks for the project file. Yes, Cura will not add support under the bottom of those cylindrical shapes so it is not really printable at the moment. You have 2 obvious options. Either increase the infill density (maybe use another pattern) so that the cylinders do touch the infill. Or, better still, continue the cylinders down to the bottom of the part (that's what I would do).
Edited by burtoogle
Cura next version can support or fix problem ?Edited by Witawat
Hi @Witawat, please save the project and then attach the .3mf file to this thread so we can look at the settings, model, etc.
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