ORTHO / ISO Published on 'eDesignEd' website – June 2013 and updated August 2013

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The following pages contain information and exercises about

ORTHOGONAL / ORTHOGRAPHIC DRAWING Term used in Victoria Term used in New Zealand

ISOMETRIC DRAWING

They can be used for:

Exercises in class if appropriate, maybe as a quick 10 minute exercise

at the beginning of a lesson

Test questions

Homework

Consolidation of learning / Advanced students / Early-finishers of another activity

Teaching aids

Add the missing lines

ANSWERS ON NEXT 2 PAGES

ANSWERS FOR 'ADD MISSING LINES'

NEXT PAGE – MORE ABOUT 21, 23 and 24

Students may find 21, 23 and 24 more difficult than the others. They should first try to understand the object by doing a quick freehand isometric drawing. Then they can check the drawings below.

As well as completing each view, produce an ISOMETRIC DRAWING of each object

Add dimensions and produce an ISOMETRIC DRAWING (see next page for Isometric Drawing answer)

Produce a THIRD ANGLE orthogonal / orthographic drawing of each object

Produce a THIRD ANGLE orthogonal / orthographic drawing of each object

Produce a THIRD ANGLE orthogonal / orthographic freehand sketch of each object