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My son (University student in the architecture program) had an assignment
using plaster as the form. They were told to use vaseline to keep the
plaster from sticking to the mold. That worked but now he's wondering how
to get the sticky vaseline off the plaster structure. I've checked my
ceramics/scultpture resources but cannot find a solution. Soap and water
-- sanding?? I'm not sure what to tell him. Of course the project is due
this week! Anyone out there with some tried and tested solutions, please