This manual discusses the use and interface of the GibbsCAM 5-Axis-MultiBlade option. MultiBlade is the preferred solution for machining impellers, blisks (bladed disks), and the like parts that compress or transport fluids. Recommended prior reading: 5-Axis. First released: March 2012; last revised January 2014, for GibbsCAM 2015, v11.0