Plate14.  The American flag colors Americans in debt ILLUSION OF RECOVERY FEELINGS	Plate15. London Design Week 2011 Preview: "Cut It Out" by Noma Bar

Plates 14 & 15 are examples of 3D effect by creating depth of field. In plate 14 the reflection on the horizontal surface has created the depth field while the plate 15 the application of primary and secondary colors have created depth of field. Designers purposely choose to apply such hues that would have illusionistic effect in our perception.  The above examples justify the phenomenon that explains- ‘physiological ones that are the effects on the eyes and brain of excessive stimulation of a specific type (brightness, colour, size, position, tilt, movement)’.

Plate16 A, B & C Illusion of the Broken Chair

(Source: http://homedecoratinginterior.com/unique-chair-optical-illusion-applied-to-a-chair-by-peter-bristol.html ; June 5, 2012)

The design of the chair is done to deceive human eyes to create illusion. The above plates show the stages of the design. The drawing of the shows the chair is firmly grounded (plate16 B) on the carpet with the help of nuts and bolts. The missing portion of the legs creates illusion of instability.