Box Calendar
thingiverse
This calendar is very usefull as it is small (6x3cm) and also you do not need to get a new one every year!
Download Model from thingiverse
With this file you will be able to print Box Calendar with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Box Calendar.