A boss is a short raised protrusion above the surface of a part.

More Questions from 2D Drawing Representation

• A plane surface cannot intersect or be tangent to a contoured surface.
• A lug is a flattened collar or rim around a cylindrical part to allow for attachment.
• Knurl is a pattern form on a surface to provide for better gripping or more surface area for attachment.
• A fillet is a rounded exterior blend between surfaces.

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