Layout Tools

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Layout Tools

• Prepared by
• Dr. Dale Carpentier
• Monroe Area High School

Modified by Georgia Agriculture Education
Curriculum Office June 2007
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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?
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Steel Rule

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

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Tape Measures

• Used for
• Measuring
• Divisions

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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!

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Framing or Carpenter Square

• Uses
• Measuring.
• Divisions.
• Tables.
• Layout lines.
• Testing for squareness.
• Laying out rafters and stair steps.

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Combination Square

• Used for
• Measuring
• Measuring and marking 90 and 45 degree angles.
• Marking gage.
• Level.

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Speed Square

• Layout lines across grain of wood.
• Measuring
• Laying out rafter angles.
• Laying out angles.

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Dry Wall Square

• Used to cut sheet rock or dry wall to size.

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Sliding T-Bevel Square

• Main Use
• Transferring angles to radial arm saw, compound
  miter saw, other tools, or from one board to
  another.

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Folding Rule or Zig Zag Rule

• Use for
• Measuring
• Can be used to measure spans over head.
• Not the most accurate tool.

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Level

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

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Chalk Line

• Used to mark temporary lines on walls, ceilings,
  or boards.

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Scratch Awl

• Use for marking wood or metal.

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Checking for Square

• 3 4 5 Triangle
• 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 6-8-10.

• 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.

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Test your knowledge
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Test your knowledge