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The working of the stones is pure manual labour,
as the basis structure of the later sculpture is already laid down
in the unhewn stone. The transfer of the inner image to the sculpture
is done without ground plan or rough draft, as a dialogue between
the artist and his stone. After the rough carving of the form with
a chipping hammer, the proper shaping is done with hammer and/or
mallet and different chisels.
The work gets its first rough polish with different rasps and files.
For a smooth polish of the sculpture sand paper with granulations
from
60 to 2000 grit is used in different operations. In order to bring
structure and colour fully to bear the sculptures, after grinding,
are heated at a wood fire, so that the pores of the stone open up.
After that wax is applied with a brush and, after cooling down,
the surplus wax which has not penetrated into the sculpture is polished
off with a soft cloth.
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