Portmanteau Rotary Plate 1- cgilogotype × directory directory 1 PRP first logo concept 2 PRP video . This logo experiment is the first concept designed for Portmanteau Rotary Plate (cf next project). Forged as one piece, it morphs into the 3 letters of the logo (prp). portmanteaurotaryplate.space related articles related articles Portmanteau Rotary Plate a