Effect of Blurred or Fainted Drawing Images on Students Perception of Isometric Drawing

Abstract

The paper discusses use of blurred/fainted drawing effect on students ability to draw isometric drawing. One of the 2 groups of 10 students were asked to draw 3 previously taught problems from isometric drawing topic of engineering drawing subject at first year engineering. They were shown the answers in blurr/fainted (blurr/fainting kept under human recognition level) type on a LCD projector so as their ability to recognize-imaginelink-draw was tested. It has shown a positive effect in terms of grades they obtained at the end of tests compared with other group of students.