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DETAILS BEHIND THE CUTTING PLANE All the details behind the cutting plane visible after the cutting must be drawn as simple orthographic view. Fig ...
SECTIONAL VIEWS INTRODUCTION TO SECTIONS There are two methods by which we can describe the inner shape of an object. First method is to use ...
Orthographic Drawing PROBLEMS PROBLEMS PART-A, FREEHAND SKETCHING For Problems .1 to 3.5 three orthographic views are to be sketched and the ...
SYMBOLS USED IN ORTHOGRAPHIC DRAWING For drawings made on very reduced scales like survey maps or for some types of working drawings, we use ...
MODELS Models of a simple object may easily be made in modeling wax, soap or wood. For soap models1 rectangular block of soap having a size ...
FREEHAND SKETCHING A freehand sketch is a drawing in which all the proportions and measurements are judged by the eye and all the lines ...
TRANSFERING DIMENSIONS IN BETWEEN THE VIEWS During drawing work, avoid duplication of laying down the same measurements. Height dimensions may ...
ORDER OF DRAWING 1. Find total length (L), width (W) and height (H) of the object. If any of these is not given as a whole, add suitable parts ...
CENTER-LINES AND PRECEDENCE OF LINES Center-lines are used to indicate the following: 1. Axes of symmetry for all the symmetrical portions of ...
HIDDEN FEATURES To describe n object completely, a drawing must contain lines representing all the edges, intersections and surface limits of the ...
