(2024-10-15, 13:01)Eugen Wrote: "there is no stud like this in the library",— it is in the library, see "stud-logo2.dat", "stud-logo3.dat", "stud-logo4.dat" and "stud-logo5.dat" (for softened edges open/hollow studs there are "stud2-logo2.dat", "stud2-logo3.dat", "stud2-logo4.dat" and "stud2-logo5.dat" as well).
And LeoCAD just uses these studs from library to substitute "stud.dat" in normal parts (for Third Party parts only "stud26.dat" is used in all of the cases).
Indeed, they are in the library, nevertheless, it is up to the editor/renderer to make use of them