StopLearnStopLearnUses of Drawing Instruments and Materials
(i) A drawing board is the wooden platform on which the drawing paper is placed before the drawing starts. The two main types are (a) full imperial size which is 812 × 585mm (b) half imperial (585 × 452mm) size.
(ii) Tee square is used for drawing horizontal or parallel lines in conjunction with drawing board.
(iii) Drawing pencils are of different grades used for general drawing, lettering or freehand sketching and technical or engineering drawing. We have B, 2B, 3B, 4B up to 8B and H, 2H, 3H, 4 H up to 8H pencils.
(iv) A Compass is used for drawing circles and arcs.
(v) A Divider is used for transferring measurement from the metric rule to the drawing.
(vi) Set Squares are used to draw vertical or diagonal lines.
(vii) Drawing Papers are best held on the boards with the aid of clips or adhesive tape.
(viii) The Protractor is used for measuring and marking out angles.
(ix) Scale Rules are used to produce reduced or enlarged sizes of objects.
(x) A Metric Rule is used for drawing various types of curves.
(xi) Drawing paper is the paper on which the drawing is produced. The common paper sizes are: A0: 841 * 1189
A1: 594 * 841
A2: 420 * 594
A3: 297 * 420
A4: 210 * 297
(xii) Eraser: A good eraser must erase cleanly without picking or tearing the surface of the paper.
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