Pictorial Sketching – Australian Standards, isometric circles and freehand drawings

Engineering Studies – P2 Product Engineering – Graphics

This topic covers the importance of pictorial graphics, methods of freehand drawing pictorials and provides example techniques to construct technically accurate sketches.

Key Concepts

• Graphical communication using pictorial representation
• The importance of Australian Standards AS1100 for graphics
• Applications of graphics
• Drawing isometric circles

Discussion Questions

1. What applications are there for pictorial drawings in product development?
2. Describe various pictorial styles.
3. Describe the process of drawing a circle as an isometric projection.
4. Describe the process of ‘boxing’ shapes to construct a freehand pictorial.
5. Why are CAD drawings often drawn while in a 3D view?