About this 3D model

English version below. The calendar displays the date [dd-mm-yyyy] in regular font as well as in Braille. The rotating wheels are securely held and click into position. The entire design is tailored and optimized for 3D printing. The models are easy to print with no need for support, brim, or raft. The calendar displays the date [dd-mm-yyyy] in regular font as well as in Braille. The rotating wheels are securely held and click into position. The entire design is tailored and optimized for 3D printing. The models are easy to print with no need for support, brim, or raft.