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## JSS3: BASIC TECHNOLOGY - 1ST TERM

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Lesson 8, Topic 3
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# Angles of Projection

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#### Topic Content:

• Angles of Projection
• Principle Views
• First Angle Projection
• 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.

### Front Elevation:

This is the main view, it is obtained by looking at the given front of the object to be drawn. The front elevation is seen in the vertical plane. The drawing below shows exactly what you would see if you stand directly in front of the L-shape.

### End (Side) Elevation:

This is obtained by looking at the given side of the object. The end elevation is also seen in the vertical plane [i.e. auxiliary/side vertical plane (S.V.P)].

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#### Responses

1. Thanks for the lesson.

Kofastudy is the best ❤️

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

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