1. Communication Technology
IOT POLY ENGINEERING
2-12
November 8, 2010
Day 1 Drafting Objectives:
Learn to set up paper
Border
Title Block
Quadrants
Correctly Measure
Practice line weights
Communication Technology

2. IOT POLY ENGINEERING
2-12
Scaling Review
½ inch scale means that we represent 1 foot by 0.5 inches
Example 12’9” means 12 feet and 9 inches
There are 12 inches in a foot
12 feet 9 inches is 12 9/12 feet = 12 ¾ feet
On a ½ inch scale, 12 feet 9 inches is drawn as 6 3/8 inches.

3. DRAFTING PREPARATION 2-12 How many degrees are in a RIGHT ANGLE?
IOT POLY ENGINEERING
2-12
DRAFTING PREPARATION
How many degrees are in a RIGHT ANGLE?
What is the total number of degrees in a SQUARE?
Divide that square in half, diagonally. How many degrees are in each triangle?
How many degrees is each ANGLE in this isosceles right triangle?
Degrees
Degrees
Degrees 2 1 3
1 = 90 Degrees
2 = 45 Degrees
3 = 45 Degrees

4. DRAFTING PREPARATION 2-12
IOT POLY ENGINEERING
2-12
DRAFTING PREPARATION
A triangle with all sides equal lengths is an
A triangle with all angles equal is an
A triangle with 2 sides/angles equal and 1 side/angle different is an
A triangle with all unequal sides/angles is a
The sum of the three angles in ALL triangles is ____ degrees.
Equilateral Triangle
Equilateral Triangle
Isosceles Triangle
Scalene Triangle
180

5. DRAFTING TOOLS 2-12 Sharpened Pencil - different line weights
IOT POLY ENGINEERING
2-12
DRAFTING TOOLS
Sharpened Pencil - different line weights
Drawing Board
Smooth, flat surface
T-Square
“Head” and “Blade”
Horizontal lines ONLY
Used in conjunction with triangle for vertical lines
Triangles
30-60 and 45 triangle
Used in conjunction with t-square for vertical lines
Compass – circles
Protractor – lines at angles

6. IOT POLY ENGINEERING
2-12
DRAFTING TOOLS

7. DRAFTING 2-12 HORIZONTAL LINES VERTICAL LINES
IOT POLY ENGINEERING
2-12
DRAFTING
HORIZONTAL LINES
Hold t-square TIGHT against board
PULL your pencil, DO NOT push it
Hold pencil at slight angle to paper (60 degrees)
Twist your pencil to keep a consistent point
DO NOT allow pencil to go under t-square
VERTICAL LINES
Hold triangle TIGHT against t-square
NEVER use the t-square alone for vertical lines

8. Communication Technology
IOT POLY ENGINEERING
2-12
PREPARATION
Get a set of drafting tools:
T-Square
1 Triangle
~4” Tape
Ruler
Turn Friday’s homework over to use the back
Communication Technology

9. DOUBLE-CHECK TO ENSURE SQUARE
IOT POLY ENGINEERING
2-12
1. Square bottom of paper to drawing board using T-Square
2. Fasten upper left corner of sheet with tape
3. Smooth to the lower right corner 2
4. Attach
DOUBLE-CHECK TO ENSURE SQUARE 3 1

10. DOUBLE-CHECK TO ENSURE SQUARE
IOT POLY ENGINEERING
2-12
5. Smooth across to upper right, then attach
6. Smooth to lower left; finish attachment 5
DOUBLE-CHECK TO ENSURE SQUARE 6

11. 2-12 1. Begin all lines as LIGHT construction lines.
IOT POLY ENGINEERING
2-12
1. Begin all lines as LIGHT construction lines.
2. Draw a ½” border and a ½” title block ½” ½”
3. Add 3 LIGHT lettering guidelines, 1/8” apart

12. 2-12 1. Add title block separators - Medium Weight
IOT POLY ENGINEERING
2-12
1. Add title block separators - Medium Weight
2. Draw diagonals to find center. 2”
3 ½”
2½”
1½”
3. Darken border lines.

13. 2-12 LETTER the title block information: 2” 3 ½” 2½” 1½” BPI-IOT
IOT POLY ENGINEERING
2-12 2”
3 ½”
2½”
1½”
LETTER the title block information:
BPI-IOT
LINE WT. PRACTICE
LAST, First Initial
14 OCT 08
PER #
FULL SCALE

14. Darken with border lines (Very Heavy)
IOT POLY ENGINEERING
2-12
Use the “X” in the center of your drawing space to divide your paper vertically and horizontally.
Quadrant 2
Quadrant 1
Quadrant 3
Quadrant 4 2”
3 ½”
2½”
1½”
Darken with border lines (Very Heavy)

15. 10 vertical lines, then draw horizontals
IOT POLY ENGINEERING Q2 Q1 Q3 Q4
8’-0”
14’-0”
10’-0”
6’-0”
Practice your line weights:
Q1. Light lines
Q2. Light, then medium lines
Q3. Light, then heavy lines
Q4. Light, then very heavy lines
¼” APART
10 vertical lines, then draw horizontals