Building instrument and materials III
BASIC SCIENCE JSS1 Second term
Sub-Theme: Drawing practice
Theme Materials and processing
WEEK 5 and 6
Building instrument and materials 3
Students should be able to:
- Construct shapes, circles, triangles, rectangles etc. with drawing instruments and materials.
Basic freehand sketching for drawing circles, curves square box and irregular edge
Sketching a straight line
This is defined as the shortest distance between two points. We can use a free hand to draw a fairly straight line by the following procedures.
- Put a dash or dot far enough to the right-hand side of the paper.
- Start to draw a line from the left-hand side to join the dash or dot with your eyes fixed on the point.
Sketching a curve
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