Geometric or Organic
Shape is a closed space made by connecting lines. Shapes may be organic or geometric. Shapes may stand out also by a difference of value, color, or texture.
Frank Stella, Wolfeboro II, 1966 closed, geometric
Are not regular or even Organic shapes are often found in nature. Shapes are more free form
Bird in Space, 1923 Constantin Brancusi (French, born Romania, 1876–1957) Marble; (with base) H /4, Diam. 6-1/2 in. Bird, 1940
Two Monkeys in the Jungle Henri Rousseau French
Braque, Georges Houses At L'estaque L'estaque, [august] 1908 Oil On Canvas 28 3/4 X 23 1/2 In. (73 X 60 Cm.)
Jesuits III, 1915 Lyonel Feininger
Plant Forms 1912 Arthur Dove