[BenchTube] Hollowing out wax model for casting

Now showing at the BenchTube (beta)
(Ganoksin answer to YouTube for jewelers.):

Hollowing Out A Wax Model For Lost Wax Casting
by Jay Whaley 3:35min

In this demonstration, a wax model is shown, and will be hollowed out
from behind. A strong light is mounted on the bench top, and the
hollowing work is done in front of this light source. A rim
demarcation is made with a set of dividers, and the hollowing is done
within these lines with a rotary tool and small ball bur. The wax
model wall thickness is burred out to 1 MM…

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