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JSS3: BASIC TECHNOLOGY - 1ST TERM

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  1. Materials & Processing - Timber I | Week 1
    6 Topics
    |
    1 Quiz
  2. Materials & Processing - Timber II | Week 2
    4 Topics
    |
    1 Quiz
  3. Processing of Materials - Metals | Week 3
    5 Topics
    |
    1 Quiz
  4. Processing of Clay, Ceramics and Glass | Week 4
    5 Topics
    |
    1 Quiz
  5. Methods of Producing Plastics & Rubber | Week 5
    2 Topics
    |
    1 Quiz
  6. Drawing Practice - Isometric Drawing | Week 6
    4 Topics
    |
    1 Quiz
  7. Oblique Projection | Week 7
    2 Topics
    |
    1 Quiz
  8. Orthographic Projection | Week 8
    4 Topics
    |
    1 Quiz
  9. Perspective Drawing (One - Point Perspective Drawing) | Week 9
    4 Topics
    |
    1 Quiz
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Topic Content:

  • Angles of Projection
  • Principle Views
  • First Angle Projection
  • Third Angle Projection
First-Angle-Projection and Third angle projection

There are two main methods of orthographic projection as earlier said, they are:

1. First angle projection

2. Third angle projection

The principal views are the front elevation, side (end) elevation, and plan.

Principal Views:

orthographic

Front Elevation:

This is the main view, it is obtained by looking at the given front of the 

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Chike Amadi
10/12/2022 5:34 AM

Thanks for the lesson.

Kofastudy is the best ❤️

Tony
Tony
21/06/2023 3:20 AM

Still confused about how to arrange 1st and 3rd projection on the axis

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