A-frame
Sign in to savethumb|150px|An A-frame used as Shear legs|shears on top of an M32 armored recovery vehicle thumb|150px|A sawhorse can be formed by connecting two A-frames along the length of a beam thumb|150px|A-frame utility pole in Germany
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- Other structures that use A-frames
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thumb|150px|An A-frame used as Shear legs|shears on top of an M32 armored recovery vehicle thumb|150px|A sawhorse can be formed by connecting two A-frames along the length of a beam thumb|150px|A-frame utility pole in Germany
An A-frame is a basic structure designed to bear a load in a lightweight economical manner. The simplest form of an A-frame is two similarly sized beams, arranged in an angle of 45 degrees or less, attached at the top, like an uppercase letter 'A'. These materials are often wooden or steel beams attached at the top by rope, welding, gluing, or riveting.