Download - Technical drawing final
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Look at these drawings.
How are they different?
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Technical drawing is a “universal language” used in the creation of any man-made object.
It gives us the necessary information to fabricate any object.
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Architects
Designers
Engineers
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Can you think of any tools we might use?
A ruler: is used to draw straight lines and to measure.
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Set squares are used to draw lines, parallels and perpendiculars.
They are both right triangles (triangles with one right angle).
One is an isoceles triangle and the other is a scalene triangle.
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The compass is used to draw archs and circles.
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Paper is the surface for technical drawings.
The sizes of the paper are normalized. The largest is A0 and the smallest is A8.
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Pencils are the medium for technical drawing.
They range from 6H (the hardest) to 8B (the softest).
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A line
A ray is a line the ends in a point but continues with an infinite line
A segment is a line that ends in two points
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An angle is the space between two intersecting lines.
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There are four types of angles:
› Acute: Angles that measure less than 90º
› Right: Angles that measure 90º
› Obtuse: Angles that measure more than 90º
› Straight: Angles that measure 180º
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The drawing of perpendicular, parallels, and angles are fundamental when drawing more complex geometric constructions.
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Take your compass, ruler, set squares and pencil.
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The bisector is the perpendicular line that divides a segment in two equal parts. Follow the steps: http://
www.mathopenref.com/constbisectline.html
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Using the skills you have learned, try to replicate the shape below:
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We will design the house of your wildest dreams!
Take a look at some famous architecture
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• Requirements for the dream house design:• Draw the floor
plan and the front elevation.
• Include at least 1 circle, 1 square or rectangle, 1 triangle and 1 hexagon.
• Extra points: draw the isometric perspective