종이자르기

Awesome Paper Trick    http://youtu.be/qg2xI-ILgZ0

종이공작

Crazy paper thing    http://youtu.be/fc1X8VJBfDA

küp cube origami    http://youtu.be/O1ZgQkoSh_I

My Funny Money    http://youtu.be/eoMf3WPmceo

미친 종이기둥: 어떻게 만드나?  Crazy Paper Cylinder ! How To Make  http://youtu.be/SmV6i-jVcRU

Just Piece Of Paper Crazy Paper Toy    http://youtu.be/DwiwcOCIEks

Amazing Paper   http://youtu.be/MxsbvURIvbM

종이접기

Folding Paper in Half 12 Times    http://www.pomonahistorical.org/12times.htm

Mathematics of paper folding    http://en.wikipedia.org/wiki/Mathematics_of_paper_folding

square paper folding    http://www.bloomize.com/square-paper-folding-1/