Question 1

What is NCEA AS 91339 about?

Accepted Answer

This standard asks you to draw your design ideas using perspective projection techniques — a way of drawing that shows depth and makes things look three-dimensional. You need to use proper drawing rules and conventions (like vanishing points, eye level lines, and station points) to communicate your design clearly to others.

Question 2

What do students need to do for AS 91339?

Accepted Answer

1. Use perspective drawing techniques (parallel and/or angular) to show the design features in three dimensions 2. Apply the correct conventions for instrumental perspective drawings: picture plane, station point, eye level lines, ground level lines, vanishing points, and height lines 3. Draw design details accurately — things like windows, door handles, fasteners, or other specific features that matter to your design 4. Select a viewpoint that shows off the important details of your design effectively 5. Communicate both how your design works (function) and what it looks like (aesthetics)

Question 3

What's the difference between Achieved, Merit, and Excellence for AS 91339?

Accepted Answer

Achieved: You produce a perspective drawing using the correct techniques and conventions that shows what your design looks like and how it works. Merit: You use perspective drawing techniques accurately and clearly, showing the detail and specific features of your design in a way that makes your thinking obvious. Excellence: You choose a viewpoint strategically that lets the important details of your design shine through, and your drawing effectively communicates your design ideas with skill and precision.

Question 4

What mistakes do students typically make in AS 91339?

Accepted Answer

1. Not using or applying the correct perspective conventions properly — examiners note that students often skip key elements like vanishing points, eye level lines, or station points 2. Choosing a viewpoint that doesn't show off the important design details — picking a view that hides or minimises the features that matter to your design 3. Drawing roughly or without accuracy — perspective drawings that are poorly executed, inconsistent, or lack the precision needed to communicate the design clearly

Perspective projection

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