1. Prepared by Dr. Dale Carpentier Monroe Area High School
Layout Tools
Prepared by
Dr. Dale Carpentier
Monroe Area High School
Modified by Georgia Agriculture Education Curriculum Office
June 2007

2. Layout Tools and Procedures
OBJECTIVES:
As a result of this lesson, students will be able to accomplish the following objectives with 70% accuracy.
1. Identify and select appropriate tools for layout procedures in woodworking.
2. Use layout tools correctly and accurately when given a woodworking problem.
3. Read measurements within a 1/16".
4. Make a pattern using layout tools.
Essential Question: What are the common layout tools used in the Agriculture Mechanics lab?

3. Steel Rule Made from steel or aluminum. 12 to 36 inches long. Used for
Measuring
Divisions
Bi-secting and Tri-secting

4. Tape Measures
Used for
Measuring
Divisions

5. Try Square Three purposes Layout lines across grain of wood.
Test edge or end for squareness.
Test work for uniform width or thickness.
This is not a hammer!

6. Framing or Carpenter Square
Uses
Measuring.
Divisions.
Tables.
Layout lines.
Testing for squareness.
Laying out rafters and stair steps.

7. Combination Square Used for Measuring
Measuring and marking 90 and 45 degree angles.
Marking gage.
Level.

8. Speed Square Layout lines across grain of wood. Measuring
Laying out rafter angles.
Laying out angles.

9. Dry Wall Square
Used to cut sheet rock or dry wall to size.

10. Sliding T-Bevel Square
Main Use
Transferring angles to radial arm saw, compound miter saw, other tools, or from one board to another.

11. Folding Rule or Zig Zag Rule
Use for
Measuring
Can be used to measure spans over head.
Not the most accurate tool.

12. Level Use to insure straightness. Can be used to check for vertical.
Can be used as a straight edge.

13. Chalk Line
Used to mark temporary lines on walls, ceilings, or boards.

14. Scratch Awl
Use for marking wood or metal.

15. Checking for Square 3 – 4 – 5 Triangle Measure the diagonals
Measure 3 feet on one side and 4 feet on the other side. The hypotenuse should be 5 feet. If not, move the two sides until it is.
Forms a 30, 60, 90 right triangle.
Can use multiples, such as
Measure the diagonals
If the two sides are equal and the two ends are equal, the diagonal measurements should be equal. If not, push the corners in or out until they are equal.

16. Test your knowledge
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