This is so your paper crane does not turn out wonky. You can buy origami paper in almost any craft shop. In his tutorial Michael uses paper that is coloured on one side and plain on the other.

Mission specialist Takuya Onishi of the Japan Aerospace Exploration Agency (JAXA) held out the bird to float, while commander Anne McClain of NASA introduced it to the world. "This is a hand-crocheted ...

"This is a hand-crocheted origami crane. His name is 'Droog,' which is the Russian name for friend," said McClain. "Origami is the Japanese art of folding paper ... another bird, Crew-9's ...

Refer to the image for more clarity on the step. You should also try this: How to Make an Origami Paper Crane l DIY Craft of ...