An example of folding over two sets of the same number of parallel creases in different folding patterns these set in two directions perpendicular to each other, to → in an arithmetic progression and to ↑ in a geometric progression at the following diagram in the left side:
The arrangement of component cells, which depends on the folding diagram as defined, influences the shape of a folded thing to be similar to [something like] a natural shape of foliage/leaf.
Material: a sheet of square origami, without using adhesives
Date: April 19, 2005
Photo date: April 19, 2005

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