Abstract: A portable sawhorse or other apparatus such as a sign stand or a table providing support. The sawhorse comprises first and second frames each having a pair of legs, a third frame having first and second elongate vertical portions to which the first and second frames respectively are connected A support structure is connected to the upper ends of the vertical portions The height of each end of the sawhorse is independently adjustable so that the support structure may be level on hilly terrain. The first and second frames are rotatable relative to the vertical portions respectively so that the sawhorse may be folded to a narrow or "thin" configuration with all of the legs coplanar for ease of stowage and transport A platform is mountable on the sawhorse, and lumber is supportable off of each end of the platform for mitering thereof.