Under the watchful eye of a technician I repeated the process in porcelain attempting to make a very thin, delicate cup. I was advised on the timings for allowing the porcelain to skin and when to take it out of the cast by the technician who had mixed and used this particular batch of porcelain.
I used a small drill bit to make a hole in the centre of the base for the string to later be attached post firing.
Unfortunately we underestimated it a little...oops. The piece wasn't quite ready to come out of the mould which made the handle stick, as a result of which it detached.
If at first you don't succeed...Try Try Again!