Exercise 4

     In this exercise, we were expected to make a 3-D design that includes grouping,repetition and primary principles of organization.Therefore i created a group that consists 2 rectangles, 1 square,2 triangles and 1 paralleogram and i made 4 of them to add my center part which has 1 rectangle,2 parallelograms and 2 triangles.In center part, the rectangle passes through the middle of the parallelograms.In this way it makes the whole structure stable.