There
are a number of commercial moulds, dams and rings to contain pot and
screen melts.
You
can, of course, make your own. A simple one is to use 10 or 15 mm
fibre board to contain your pot or screen melts. Cut the size and
shape of hole you want into the board and that will contain the
glass.
You
can place this directly onto the kiln washed shelf. No fibre paper is
absolutely required unless you want to. You can weight the board by
placing the supports for the screen or post directly onto the board.
If you
want to use the board more than once, you need to harden it with
colloidal silica and fire it. Then you always need to put a
separator on it at each firing to ensure it does not stick to the
glass melt.
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