Katherine Adams and her sister Isabelle have both always loved origami. "We actually learned origami from my dad, who is half Japanese," said Katherine Adams, co-founder of Paper for Water.

We acknowledge Aboriginal and Torres Strait Islander peoples as the First Australians and Traditional Custodians of the lands where we live, learn and work.

Stages 2-4 Maths ABC iview Home Watch all your favourite ABC programs on ABC iview. More from ABC We acknowledge Aboriginal and Torres Strait Islander peoples as the First Australians and Traditional ...