import rhinoscriptsyntax as rs
import Rhino.Geometry as rg
rs.EnableRedraw(False)

rs.EnableRedraw(False)
objects = rs.ObjectsByLayer("Default")
rs.DeleteObjects(objects)

divisions = 50
nr_of_curves = 5
curve_dist = 10

curves = []
for k in range(nr_of_curves):
    
    points = []
    
    for x in range(divisions):
        y = x%(k+1)
        
        point = rg.Point3d(x, y, k*curve_dist)
        #rs.AddPoint(point)
        points.append(point)
    
    curve = rs.AddPolyline(points)
    rs.RebuildCurve(curve, 3, divisions)
    curves.append(curve)

rs.AddLoftSrf(curves)