Cura prints solid infill layers without walls - no option to change ?

[Jasey1410 0]

Hi everyone,

I want to print a part with two "print modifiers", which I included all in a *.3mf file (consisting of 3 parts in total). While having trouble arranging everything without destroying the geometrical relation (grouping helps, but only as long as you don't ungroup ... but that's a different issue), I managed to get it to the point, where I can change the print settings for the "parts within the part" - the two modifiers. Now, my main problem is that Cura prints the "parts within the part" in a way, where only every second layer is printed with walls. I don't know how to change that. Does anyone know if there's a setting for that ? Or is that something Cura does automatically, which cannot be changed. If I print the parts alone, same settings, Cura prints Walls every layer. So it must have something to do with the parts being "inside" the main part. I added two screenshot that hopefully help to understand what I'm talking about 🤓
Any idea or tip is greatly appreciated ✌️