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Drawing and Dimensions - Lesson Summary

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Lesson Summary

Drawing Instruments and Accessories:
Drawing sheets -
A1: 1189 by 841
A2: 841 by 594
A3: 594 by 420
A4: 420 by 210
Drawing Board - to support sheets
Drafter and T-square - to draw horizontal and vertical lines
Set Squares - to draw parallel, perpendicular and inclined lines
Compass - to draw circles and arcs
Divider - to track transfer lengths
French curves
Drawing Sheet Layout:
A standard is a set of specifications for parts, materials, or processes intended to achieve uniformity, efficiency and specific quality - ISO, AISI, SAE, ASTM, ASME, ANSI, BIS

Dimensions: We use dimensions to represent size and position ( of the designed/modelled shape)