origami

n.

The Japanese art of folding paper into shapes representing objects like flowers or birds.

From Japanese 折り紙 (folding paper).

Synonym:

paper folding

op art

n.

A form of modern abstract art using geometrical patterns that produce optical illusions.

Also known as optical art.

papercutting

Papercutting is the art of cutting paper designs. This art originally was used to cover screens, decorate windows, and as patterns for embroidery. The art has evolved uniquely all over the world into unique styles. Papercuttings are cut by both scissor and knife.