orthogonal / orthographic drawing

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