Made from béton brut (concrete that is unfinished after being cast, showing the marks of the mold), this 1970 memorial in Belgrade honors men from regions of the former Yugoslavia who gave their ...
Mold-making veterans will tell you that release agent is a must and in this case rubbing the insides of the molds with wax made it a snap to pry the wooden forms off of the set concrete.
The first step is making a sturdy mould to hold and shape the concrete while it forms. Molds are often made from rubber or fibreglass and plaster. A casting mould for a simple concrete garden ornament ...