import rhinoscriptsyntax as rs 
import random as ran 
rs.DeleteObjects(rs.AllObjects())

"""
number=20
plane=rs.WorldXYPlane()
abstand=5
crvs=[]
#make loft


#Ring
for i in range (number):
    if i%2:
        curve=rs.AddEllipse(plane,10,5)
    else:
        curve=rs.AddEllipse(plane,5,10)
    rs.RotateObject(curve,(50,0,0),i*(360/number),(0,1,0))
    crvs.append(curve)
rs.AddLoftSrf(crvs,closed=True)
"""

number = 10
plane = rs.WorldXYPlane()
crvs = []

for i in range(number):
    if i%2:
        curve = rs.AddEllipse(plane, 10, 5)
    else:
        curve = rs.AddEllipse(plane, 5,10)
    rs.MoveObject(curve, (0,0,i*10))
    crvs.append(curve)
rs.AddLoftSrf(crvs)