Double-layered folding card comprises a blank with a first fold along the central transverse axis, a second fold along the central longitudinal axis, and a row of cut-outs and webs with grooves arranged along the central longitudinal axis

摘要

Double-layered folding card comprises a blank (1) with a first fold along the central transverse axis (2) and a second fold along the central longitudinal axis (3). A row of cut-outs (4) and webs (7) with grooves (12) are arranged along the central longitudinal axis.