Ch.3 Sketching, Text, and Visualization . What’s technical sketching? (3.1) Sketching techniques (3.2) Use construction lines wisely to maintain proper proportions (3.3) Intro to projections (3.4) Multi-view sketching technique (3.5) Multi-view sketches (3.6)
Means to create technical drawings
Level of detail of freehand technical drawing
Visualization for design (3.9): Transforming your ideas into tangible graphic images serves both as a permanent record of those ideas and as a means of encouraging further creative thinking. What’s the difference between the two figures below.
The relative proportions of the primary dimensions of an object is more important than their actual physical sizes. A proportion is the ratio between any two dimensions of an object. Go through the exercises in p.151-153, step by step to get used to the concept.
One-view, two-view, 3-view sketches. Depends on the complexity of the object. See p. 170-171 for the steps
Object – Image plane – The eye of the reviewer relationship
Horizontal, vertical, and depth