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Just like the smaller
elements, this large element is encased in the plaster, call
investment. Using an aluminum frame that is the exact dimension
of the opening that the element is made for, this is the first
part of a two part investment pour. Once the plaster
has set up the aluminum "sides" are removed revealing the
"points of contact" that the wax had with the aluminum sides.
These "points" are where I attach the sprue system. To do
this I use a hot glue gun. You can see, by the position of
the cup, that it was decided to cast this larger element in
the flat plane.
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