Define size including thickness with the slicer.
You can also load a set, then “split to objects” and set number of each variant (on PrusaSlicer).
Since I work with my MK4, brim is not needed any more because of better first layer! :-)
If you have problems with bed adhesion printed with a brim. Printing without brim would need less cleaninge.
Not use small items when little children around!
11.3.2024: I added 38 single stars (30mm) in different variants.
The author marked this model as their own original creation.