Ключевые слова: accordion, amusement, angle, art, artistic, black, boredom, bw, changing, crease, creating, creative, dizzy, everyday, excercise, fan, fanned, fold, light, made, many, monochrome, mountain, object, office, origami, paper, parallel, pattern, practice, ruler, shadow, simple, straight, valley, white, zigzag, zigzagging, zigzaging,