Behold, a three-dimensional calendar on the faces of a rhombic dodecahedron:
Source: https://www.wired.com/2016/10/gorgeous-12-sided-wooden-calendar-geometry-nerd-life/
Behold, a three-dimensional calendar on the faces of a rhombic dodecahedron:
Source: https://www.wired.com/2016/10/gorgeous-12-sided-wooden-calendar-geometry-nerd-life/