1 Construction of Scales and diagonal scale
2 Practice of Lettering and Title Block
3 Dimensioning practice:
Position of dimensioning (unidirectional, aligned, oblique as per BIS SP:46-2003)
Symbols preceding the value of dimension and dimensional tolerance.
Text of dimension of repeated features, equidistance elements, circumferential
objects.
4 Construction of Geometrical Drawing Figures:
Different Polygons and their values of included angles. Inscribed and Circumscribed
polygons.
Conic Sections (Ellipse & Parabola)
5 Drawing of Solid figures (Cube, Cuboids, Cone, Prism, Pyramid, Frustum of Cone and Pyramid.) with dimensions.
6 Free Hand sketch of hand tools and measuring tools used in respective trades.
7 Projections:
Concept of axes plane and quadrant.
Orthographic projections
Method of first angle and third angle projections (definition and difference)
Symbol of 1st angle and 3rd angle projection as per IS specification.
8 Drawing of Orthographic projection from isometric/3D view of blocks
9 Orthographic Drawing of simple fastener (Rivet, Bolts, Nuts & Screw)
10 Drawing details of two simple mating blocks and assembled view