"Stephen" <mcavoys_AT_aolDOT.com> wrote:
> This is a series of images showing some problems I encountered when making an
> hourglass.
> The first one consists of a lathe object shaped into a bulb, referenced with a
> negative scale component to create a hourglass shape then a scaled down version
> (0.995) is differenced from it. You can see banding which looks to me as if the
> glass does not have a uniform thickness.

So I then created a second lathe object, making sure that it was inside the
first and that the thickness was as constant as I could make it then referenced
it to make the hourglass. Now there looks like there is flaring at the join.

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