-
Object with undercuts
needs to be cast with flexiblemolds
Attach item to be a base board with cornice plaster or blu
tac.
-
Seal base to board to prevent latex seeping under base.
-
Dab latex over item in thin coats, drying between coats (don't allow the
latex to pool or bubbles will form). Item can be heated before
applying latex to speed up drying.
Apply about 10 coats, test with a fingernail, should be springy.
-
Apply reinforced coats by adding sand, sawdust or squares of chopped up
pantyhose to the latex.
-
Make sure to reinforce any edges and curves and fill in any
undercuts.
-
Give the item between 3 & 5 coats of reinforced latex, then 2 coats of
plain latex.
make a plaster support cast by coating the outside layer of latex with
about 2cm plaster.
Because the latex is flexible you can make casts of items with
undercuts.
-
Wash brushes out in a solution of washing powder
