Measuring and Layout Tools

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Checking the Accuracy of Squares and Levels

Are your cuts a skosh off, your doors or windows half a bubble off plumb? More

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Decoding the Framing Square for Rafter Layout

Hidden in the rafter table is the base, altitude, and hypotenuse for 34 different... More

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An Evolution in Laying Out Stair Stringers

A simple jig or trammel points can increase the accuracy of stepping-off stairs. More

Tool Test: Kapro Ledge-It Square

This 'try square on steroids' delivers accuracy and innovative features at a... More

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Decoding the Framing Square

How John Carroll applies the geometry etched in those cryptic-looking tables on a... More

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Tool Test: DeWalt 20V 3x360 Green Line Laser

John Carroll takes a close look at DeWalt's 3-plane green line laser, and has some... More

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Testing a Laser for Accuracy

Learn how to use simple geometry to check if a line laser meets specs. More

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Forming Stepped Footings

Watch as Tim Uhler and his partner form the footings for a new home on a stepped lot. More

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Drawing a Perfect Circle With a Square

Watch Marlon Rodriguez demonstrate how to draw a circle using a pencil, a couple... More

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A Lesson in Irregular Roof Geometry

Tim Uhler explains how he figured out the miter and bevel angles for a snub hip... More

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