this is for the upper part, and you need for origami papers sizes 15 cm , 13 cm, 10 cm and 7 cm .
For the bottom part you will need one origami paper size 15 cm.
Hope it makes easier to understand the way this tree is folded... have fun!!! feel free to contact me if you have any question... I know the photo is too small but I m just new to this Imac computer and dont really know how to use photo program yet.... sorry for that.