1. ENGN103 Engineering Drawing
Lecture 2

2. Introduction: Overview
Engineering drawing ENGN103

3. In order to get the feel of what dimensioning is all about, we can start with a simple rectangular block. With this simple object, only three dimensions are needed to describe it completely (figure 26). There is little choice on where to put its dimensions.
Figure 26 - Simple Object
Engineering drawing ENGN103

4. Thicker than dimension line 450
Thin and Continuous
ARCHITECTURAL TICK
Thicker than dimension line
450
Engineering drawing ENGN103

6. Thick- HB grade pencil Medium- H Grade pencil Thin- 4H grade pencil
Introduction: Lines-Home Work
Engineering drawing ENGN103