Saturday, September 29, 2012
06 Waste Molds Nº 19
I am filling in the clay build-up so I can use it for the other oil-clay arm. I like to reuse these things if I can. The process will be the same as it was for the first oil-clay arm. I will position the arm on the clay-build-up, trace around it, then remove clay from inside the traced line until the oil-clay arm fits about halfway. Click any image to enlarge it.
This is the first oil-clay arm, that I have finished molding with the spare removed. I have a carving wax casting of it. I will probably be able to reuse this spare for the next arm.
I put the oil-clay arm that is to be molded next in the refrigerator to cool and firm-up, so I can position it on the clay build-up and trace around it .
The clay build-up has been filled-in, and is now ready for the other oil-clay arm. I left the old registration key, and just cleaned it up a little bit. I will be able to position the oil-clay arm inside the key.
The hot-melt moulage is reusable if it is not allowed to dry out. I kept the mold wrapped-up in plastic bags until I got a chance to chop it up into small cubes, and put the cubes in Atlas Mason jars with tight-fitting lids. It doesn't take long to chop the molds up with a sharp knife.
Now I am ready to repeat the process of molding and casting the next oil-clay arm, in order to translate it into carving wax.
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