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PLANES OF PROJECTION Plane Plane is a two dimensional smooth surface having the third dimension negligible. Projection Projection is ...
ORTHOGRAPHIC DRAWING FACES OF THE OBJECT There are six main faces of the object namely front, back or rear, left side, right side, top and ...
PROBLEMS 2.1 Leaving a gap of 1-in from the top border line, draw guide lines for five lettering lines maintaining height of letters equal to ...
HINTS FOR GOOD LINEWORK 1. Ordinary main lines on the drawing should be thin but at the same time bright and these should be of uniform ...
APPLIED GEOMETRY To Join Two Lines at Right Angle by a Quarter Circle There may be two methods to locate centre of the curve so that it ...
LETTERING ON THE DRAWING Generally all the lettering on the sheet is carried out in capital letters and following points should be kept in mind ...
MEASUREMENTS IN FRACTIONS OF AN INCH By any fraction x/y (of any quantity or unit), we mean that the given quantity is divided first into ...
BORDER LINES AND SEAL Border line is usually drawn with HB-pencil leaving 1/2" spacing from all the sides except on the left where it ...
FIXING THE DRAWING SHEET Drawing sheet should be fixed on the board in. such a way that its upper longer side is truly horizontal. First of ...
HORIZONTAL AND VERTICAL LINES ON THE BOARD For right-handers, board should always be placed in such a position so that its working edge is on ...