1. Origami is thought to be first invented in 17th century Japan, but could also have roots in China where paper was invented or cloth could have been folded.
2. There's a Guiness World Record for the fastest time to make 1000 paper cranes (9 hours 31 minutes and 33 seconds).
3. The most popular origami is thought to be the Orizuru (folded crane), closely followed by the star, boat and flower designs because of their ease and simplicity.
4. Origami has been used for scientific and artistic purposes, such as designing satellites and making sculptures.