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Year 7 - Design and technology

Draw orthographic projections

Communication

Unit Summary

Pupils will develop knowledge and skills of communication, including freehand 3D sketching using the crating technique. They will learn how to render to show texture and tone. They will also learn how to draw using more formal techniques, such as one-point perspective and orthographic projection.

Lesson Summary

You will learn to draw a simple orthographic projection.

Key Notes

  • Orthographic projections are 2D drawings from different sides to show a 3D shape.
  • Orthographic projections usually include front, top, and side views.

Vocabulary To Learn

  • Orthographic: represents a 3D object in 2D, where views are projected from the object's surface
  • Contruction lines: used to plan out and position elements of a drawing
  • Isometric: a 3D representation of an object where sides are drawn at 30 degrees

Common Mistakes To Avoid

  • The front view is always the most detailed side of the shape being drawn.

3 Quick Questions (With Answers)

1. Explain the lesson in two key points.

Orthographic projections are 2D drawings from different sides to show a 3D shape. Orthographic projections usually include front, top, and side views.

2. What does this key word mean in this lesson? 'Orthographic'

represents a 3D object in 2D, where views are projected from the object's surface.

3. Correct this common mistake.

Mistake: The front view is always the most detailed side of the shape being drawn. Correction: The front view is chosen based on the most informative and clear perspective, not necessarily the most detailed one.

More Lessons In This Unit

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