This presentation is an intro to the concepts of technical drawing. The powerpoint is not suitable for VCE (Australia), but it could be useful for Years 9 and 10.
4. TECHNICAL DRAWING
Drawing types:
1. Sketches
2. Isometric drawings
3. Orthographic projections
When is a sketch useful?
1. When we need to convey
our creative idea (subject)
2. Who is going to see the
communication (audience)
1. Sketch
(hatch rendering)
10. TECHNICAL DRAWING
Conventions:
1. Measurements –
different types:
parallel,
superimposed, chain,
coordinates
2. Lines – visible,
invisible and centred
(axis of circular
features)
Very accurate!! – get
skills ready for year 12
14. TECHNICAL DRAWING
• Your set squares can be used to draw lines at 45, 60, 30 and
90 degrees
• Always use T-square to support other squares so that all the
lines are parallel
• See demonstration for practise
15. TECHNICAL DRAWINGInstrumental Drawing page borders
10mm
10mm
10mm
13mm 17mm 20mm
YOUR NAME TITLE OF WORK DD-MM-YYYY
YOUR NAME TITLE OF WORK DD-MM-YYYY
Page set-up