The Alta Stool is an icon of Brazilian modernist furniture design. Since 2013, it has been an original reedition licensed by the Oscar Niemeyer Foundation, the holder of the copyrights, and produced and exclusively commercialized under the ETEL registered trademark. The piece bears dual certification of origin and authenticity, issued by both the Oscar Niemeyer Foundation and ETEL. It was originally created in the 1970s by Oscar Niemeyer and his daughter, Anna Maria.