Version 18 allows you to loft hundreds of curves simultaneously without crashing. The memory management has been optimized to handle complex architectural facades and terrain models.
While earlier versions were free, Curviloft is now a paid extension licensed through Sketchucation . curviloft 18
Creates a surface (a "skin") based on a closed set of boundary curves, filling the area with smooth geometry. Technical Requirements & Installation Version 18 allows you to loft hundreds of