Lesson 3 of 4 · Grade 7 Pre-Technical Studies
Technical drawing basics
15 min
Technical drawing communicates the shape and size of objects accurately.
Drawing instruments
- Drawing board and T-square: drawing horizontal lines.
- Set squares (45° and 30°/60°): drawing vertical and angled lines.
- Compass: drawing circles and arcs.
- Protractor: measuring angles.
- Pencils: HB for general work, 2H for construction lines.
- Eraser and sharpener.
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