Bezier curve taper not working I am trying to make a wine glass, exploiting its axial symmetry.

I have a bezier curve spine (a line) which I have bevelled using another bezier curve bevel (a bezier circle).

I then applied a wine glass shaped bezier curve outer as taper to spine.

However, spine only reflects the bevelling and not the taper. (looks like a right cylinder)

What's wrong?


fig1: On left the bevel curve, in the middle the spine and on right the taper curve



I have tried rescaling bevel and repositioning outer to no avail.
Select the upright glass section then apply a Screw modifier and choose the Y axis in the properties.