Karel Martens – Birthday Calendar

The colorful, layered patterns in this A3 birthday calendar are based on a single shape punched out of colored card stock in multiple directions. A prototype of this design was created by Karel Martens in 1968, but not produced in a larger edition until now.

Designer: Karel Martens
Size: 297x420mm
Pages: 14
Publication: 2026
Binding: Wire-O-Bound