"jhu" <nomail@nomail> wrote:
> "joe" <nomail@nomail> wrote:
> > I've built a soda bottle with a bezier_spline lathe object.  It's clear glass,
> > hollow and has a wall thickness.  To fill the bottle with soda I am creating
> > another lathe object inside the bottle.  To prevent a coincident surface problem
> > should I scale the soda larger to push the soda into the bottle wall?  Any
> > better ways to fill a bottle with fluid?
>
> Here's what I usually do with such things. Make a lathe, subtract a slightly
> smaller lathe to create a hollow object, then place a slightly smaller lathe
> (just smaller than the difference) inside with appropriate media definitions. In
> all, you should have 3 of the same lathes, just different sizes.


With the liquid being slightly smaller than the cavity won't the air space
between the liquid and the wall be visible in some slight way?

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