超级螺旋，示例的是螺旋风管，螺纹，金属软管，环形坡道等的制作方式，可以支持自定义形状。Example usage would be spiral ductwork, screw threads, flexible metal tubes, circular ramps etc. No smoothing groups are assigned, for smooth look either use Smooth modifier or add points to the spline profile.

拾取样条线生成软管的小插件