I learned that in WW2 soldiers had to allow their letters to be read by superiors, and due to paper shortages, they did not have envelopes. The Soviets used this pattern for their personal correspondence.
I really like that I can decorate it in a cute way and duplicate it to send out to all my friends!
Bellow are the pre-designed templates for a bear and bunny triangle letter.
Or watch the video and make up some designs of your own!