Tulip is a stool by Eero Saarinen for Knoll. Swivel base in is heavy molded cast aluminum painted white or black, seat is molded fiberglass. Tulip is a stool that was designed in 1957. Tulip breaks the mold of the classic seat with four legs, like the material it is made. The advent of plastics in those years, this was one of the most important creations of domestic furniture. The KnollStudio logo and the signature of Eero Saarinen are located under the base. Cushion: Cover fabric cat. C Tonus 3.