Diane is right. Kenneth Kawamura. It all depends on the size. Astrobright works well. Yami Yamauchi used to make these all the time at events.
Demo: https://youtu.be/SdNHCcuJhvQ This one is from Canson (heavier weight): https://youtu.be/VovdfOPz4pw Pretty stiff and not much airtime. https://youtu.be/DK2-FxAz3lI This is lightweight cardstock. Printed paper I got years ago when all we had was the O-List and a few websites. Gilad Aharoni: http://www.giladorigami.com/SW_butterflyball2.html Michael https://havepaperwilltravel.blogspot.com
