← Building and Construction / 2 Related Drawing
2.1 Orthographic Projection
Building and Construction · Grade 11 · 12 lessons in the design
What you will be able to do
- explain the types of orthographic projections in drawing
- draw views of shaped blocks in first angle orthographic projection
- draw views of shaped blocks in third angle orthographic projection
- appreciate the role of orthographic projections in drawing
Key questions
“How are orthographic drawings applied in day-to-day life?”
Lessons
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What orthographic projection is
40 min · 1 practice tasks · quizExplain what orthographic projection is.
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Planes and principal views
40 min · 1 practice tasks · quizDescribe the planes and the principal views.
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First angle projection
40 min · 1 practice tasks · quizDescribe first angle projection.
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Third angle projection
40 min · 1 practice tasks · quizDescribe third angle projection.
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The projection symbol
40 min · 1 practice tasks · quizExplain the projection symbol.
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Arranging the views
40 min · 1 practice tasks · quizExplain how the views are arranged.
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Drawing shaped blocks in first angle
40 min · 1 practice tasks · quizDraw a shaped block in first angle.
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Drawing shaped blocks in third angle
40 min · 1 practice tasks · quizDraw a shaped block in third angle.
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Hidden and centre lines
40 min · 1 practice tasks · quizExplain hidden and centre lines.
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Dimensioning orthographic drawings
40 min · 1 practice tasks · quizDimension an orthographic drawing.
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The role of orthographic projection
40 min · 1 practice tasks · quizExplain the role of orthographic projection in life.
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Reviewing orthographic projection
40 min · 1 practice tasks · quizReview orthographic projection and reflect.