t = 0.46 (slider from 0 to 1, step 0.02)
F: ((10 * cos(((6 * π) * t))), (10 * sin(((6 * π) * t))), (15 * t))
b = CurveCartesian((10 * cos(((6 * π) * t))), (10 * sin(((6 * π) * t))), (15 * t), t, 0, 1)