We’ve already told you about cool DIY advent calendars, and here’s one more idea to the list. A good thing about this geometric calendar is that it’s quite large and you can hide various gifts. Prepare 24 A4 sheets of white cardboard, 50cm x 70cm big black plate, a glue stick or liquid glue, small clothespins, a knitting needle, a cutter, cutting mat and ruler, a computer and printer, 24 small gifts and golden silk paper. Print out the PDF template for the triangle on white paper. Then you can fold the dotted lines using a knitting needle along a ruler. Continue reading the tutorial here.