UNIT 1:
Scales: Representative factor, plain scales, diagonal scales, scale of chords. Conic sections: Construction of ellipse, parabola, hyperbola by different methods; Normal and Tangent. Special Curves: Cycloid, Epi-cycloid, Hypo-cycloid, Involutes, Archimedean and logarithmic spirals.

UNIT 2:
Projection: Types of projection, orthographic projection, first and third angle projection, Projection of points and lines, Line inclined to one plane, inclined with both the plane, True Length and True Inclination, Traces of straight lines.

UNIT 3:
Projection of planes and solids: Projection of Planes like circle and polygons in different positions; Projection of polyhedrons like prisms, pyramids and solids of revolutions like cylinder, cones in different positions.

UNIT 4:
Section of Solids: Section of right solids by normal and inclined planes; Intersection of cylinders. Development of Surfaces: Parallel line and radial - line method for right solids.

UNIT 5:
Isometric Projections: Isometric scale, Isometric axes, Isometric Projection from orthographic drawing. Computer Aided Drafting (CAD): Introduction, BTnefit, software’s basic commands of drafting entities like line, circle, polygon, polyhedron, cylinders; transformations and editing commands like move, rotate, mirror, array; solution of projection problems on CAD.