UNIT I POLYGONS, ELLIPSE AND SCALES

1.1 Polygons, Construction of regular polygons using given length of a side

1.2 Ellipse, arcs of circles and Oblong methods;

1.3 Scales – Vernier and Diagonal scales.

UNIT II INTRODUCTION TO ORTHOGRAPHIC PROJECTIONS

2.1 Introduction to orthographic projections

2.2 Projections of points

2.3 Projections of straight lines parallel to both the planes;Projections of straight lines – parallel to one plane and inclined to the other plane.

UNIT III PROJECTIONS OF STRAIGHT LINES

3.1 Projections of straight lines inclined to both the planes, Determination of true lengths

3.2 Angle of inclinations and traces.

UNIT IV PROJECTIONS OF PLANES

4.1 Projections of planes

4.2 Regular planes perpendicular/parallel to one plane and inclined to the other reference plane.

UNIT V PROJECTIONS OF SOLIDS

5.1 Projections of Solids Prisms, Pyramids, Cones and Cylinders with the axis inclined to one of the planes. Inclined to both the reference planes.

UNIT VI ISOMETRIC PROJECTIONS

6.1 Conversion of isometric views to orthographic views

6.2 Conversion of orthographic views to isometric views.