The redesigned pattern of the sunglasses case from STUDIO HAEL is a 4-millimeter punch, with an additional insert on the button.
Before you express your indignation at me that I posted your pattern, file an industrial patent for your pattern. Almost all patterns have a commonly used solution or are shamelessly copied from normal manufacturers.
The redesigned pattern of the sunglasses case from STUDIO HAEL is a 4-millimeter punch, with an additional insert on the button.