Print products has attachment opening, which is connected with outside edge over internal half-section, concentric connecting cut and outside half-section

摘要

The print products (10) has an attachment opening (14), which is connected with the outside edge over an internal half-section (13), a concentric connecting cut (12) and an outside half-section (11). The angle between the two half-sections varies as a function of size and material of the print product between 90 degrees and 180 degrees.