[Clayart] Hole in the bottom of a bowl on a potter's wheel

[Cyndy Littleton]

Are you compressing the clay in the bottom of your bowl as you work the
clay?

On Sat, May 19, 2018, 6:32 AM <wschran at twc.com> wrote:

> This may have been from when the clay was attached to the wheel head or
> bat.
> The shape of the bottom of the clay may have had a small depression or
> void from wedging.
> Have the bottom of the clay that will be attached to wheel head curved to
> avoid this.
>
> bill
>
> William Schran
> wschran at twc.com
> 703-505-1617
>
> ---- Vlasova Tatiana <yanatt at gmail.com> wrote:
> > Hello! Can I ask for advice for novice potter?
> I make a bowl 28-30 cm, and when I remove it from the wheel, there are no
> air bubbles, there is no hole at the bottom. But when the bowl dries, the
> hole forms from the outside downwards in the center. Where the bottom
> touched the wheel. Not cross-cutting
> As if the clay in this place was more wet and sat down more.
> When I cut the bottom, I removed this hole. But I do not understand why
> this is happening?
>
> many thanks
> Tanya
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