1. Drawing and Line Weight
U1-L4
August 30, 2007
Drawing and Line Weight
DRILL
Answer in a complete sentence: A general sketching and technical drawing rule is to begin ALL lines as very thin lines. Why would this be?

2. DRAWING Rules for drawing: Pull your pencil, don’t push it.
Use proper line weight
Always start with LIGHT layout lines.

3. DRAWING Always pull your pencil, don’t push it.
Mark two points, then draw your pencil between them.
Use horizontal lines to connect the dots in Exercise 1 on your worksheet
Use LIGHT lines!

4. DRAWING The LIGHT lines you start with are called Construction Lines.
U1-L4
DRAWING
The LIGHT lines you start with are called Construction Lines.
ALL LINES should begin as Construction lines.

5. DRAWING Three line weights in this class: Thin: not noticeable from 3’
U1-L4
DRAWING
Three line weights in this class:
Thin: not noticeable from 3’
Medium: noticeable from 3’
Thick: obvious from 3’
Complete Exercise 2 – draw thin, medium, and heavy lines. ALL LINES BEGIN AS CONSTRUCTION LINES!

6. U1-L4
GRID ENLARGEMENT
Turn over your worksheet and complete the grid enlargement.
USE ONLY CONSTRUCTION LINES

7. U1-L4
GRID ENLARGEMENT

8. U1-L4
Homework
Complete the grid enlargement exercise. CONSTRUCTION LINES ONLY.
Course notebook due Friday.
Assignment pad due Friday.