Geometrical analysis, for rapid prototyping, of the compressor’s helical conic rotor modelNicuşor Baroiu, Viorel Păunoiu, Virgil Gabriel Teodor, Florin Susac and Nicolae OanceaMATEC Web Conf., 178 (2018) 02006DOI: https://doi.org/10.1051/matecconf/201817802006