import rhinoscriptsyntax as rs

rs.DeleteObjects(rs.AllObjects())

n_steps = 10                    # 168
height = 27
radius = 4
platform_radius = 3
platform_height = 27

spi = rs.AddSpiral((0, 0, 0), (0, 0, 1), radius, height, n_steps)

pt = rs.DivideCurve(spi, n_steps)

spi_eck = rs.AddPolyline(pt)

rs.RotateObject(spi_eck, (0, 0, 0), 180, copy=True)

rs.DeleteObjects(spi)