Twisting Pop Up

Really nice twisting effect.

http://www.flickr.com/photos/golics/2195905096/
http://www.flickr.com/photos/golics/2195046215/

for paper flower ball look
http://www.metacafe.com/watch/949584/paper_rose_ball_easy_everybody_can/

easy pop up
http://www.metacafe.com/watch/1173253/seven_flowers_awesome_pop_up/

for amazing pop up flower
http://www.metacafe.com/watch/909477/amazing_pop_up_unbelievable_easy_yellow_flower/

for paper snowflake 3d
http://www.metacafe.com/watch/887781/paper_snowflake_3d_origami_stapler/