UNIT III

ORTHOGRAPHIC PROJECTION (MANUAL
DRAFTING AND COMPUTER AIDED DRAFTING)
INTRODUCTION – PROJECTION TERMS –
ORTHOGRAPHIC PROJECTION – CO-ORDINATE
PLANES OF PROJECTION – SYSTEMS OF
ORTHOGRAPHIC PROJECTION – FIRST ANGLE
ORTHOGRAPHIC PROJECTION – THIRD ANGLE
ORTHOGRAPHIC PROJECTION -COMPARISON OF
FIRST AND THIRD ANGLE PROJECTIONS.
PROJECTION OF THREE VIEWS (ELEVATION, PLAN
AND SIDE VIEW) OF SIMPLE OBJECTS USING
FIRST ANGLE PROJECTION ONLY – FREE HAND
SKETCH PRACTICE – EXERCISES.

Discussion

Discussion allows you to ask questions directly to the instructor.