i built a clay wall and even though i dont have any ears on this life cast i thought it would be good practice to simulate the need to go round the ears , also i had drilled holes around the ears and this would be easier to mould with silicone, fiber glass would probably become trapped.
i used mod roc to help support the wall when i clean it up and smooth it out and when i fiber glass.
locating holes were pressed into the clay and several layers of lacquer were applied then blue PVA painted on but the PVA took so long to dry that i ran out of time and could not do any fiber glassing so i had to cover it with cling film to stop the clay wall drying out overnight.
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