ORIVERSITY
Oriville, Oriland

LECTURES

In origami it is accepted to fold models from a square sheet of a paper without scissors and glue. The birds, flowers, box and even the dinosaurs can be made from a single piece of paper. Sometimes models fold so that their some details were mobile, and then the models wave wings or open mouthes.

Some models are made of several sheets incorporating among themselves by paper locks. The folding of models from several sheets of a paper is applied in modular origami, where the cubes, spheres, box, pyramid, and other geometrical figures are going from identical modules. Here origami is represented to us as the entertaining paper designer.

In that case, when in folding model the different modules are used, we deal with heteromodular origami. From different details usually combine of dolls and various volumetric models.

It is possible to classify origami not only by quantity of sheets, used in folding of models, but also on a degree of complexity of folding. It is possible to allocate: simple models (some creases), average (approximately 10 - 25 steps) and difficult (more than 30 steps). Inside each of these groups also there are similar distinctions.

Though it is impossible to determine direct dependence between quantity of steps of folding and degree of complexity. Because, there is still technique of folding, which is the additional factor of complexity. Practically each author of origami has his technique of folding.

Example of such combination of a technique and quantity of steps can be model "flower" by Yurii Shumakov, which has only one crease! Certainly, it is not enough to make one crease on a paper to repeat it. All secret consists in a unique technique of folding of the author.

Also it is possible to sort models of origami on a category of our real world: animals, people, plant, ornament, structures, geometrical forms and others.

Katrin and Yurii Shumakov