Computer Aided Design  -  School of Engineering, The University of Plymouth.

Orthographic projection - interactive learning resources.

| Worksheet #1 | Worksheet #2 | Worksheet #5 page 1, 2 & 3 |

First angle orthographic projection, worksheet #1 >
Have a look at these 3D interactive models of the objects in worksheet #1.  Think about the direction the blocks are viewed in, the faces you would see and where the resulting view appears on the drawing.
 

Third angle orthographic projection, worksheet #2 >
Have a look at these 3D interactive models of the objects in worksheet #2.  Think about the direction the blocks are viewed in, the faces you would see and where the resulting view appears on the drawing.

Sectioning examples, worksheet #5 >
Have a look at these 3D interactive models of the objects in worksheet #5.  Think about the direction the blocks are viewed in, the faces you would see when the objects are cut by the sectioning planes and where the resulting views appear on the drawings.

Worksheet #5, page 1:

Worksheet #5, page 2:

Worksheet #5, page 2:

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