cast [cast, casting, casts](to make by pouring into a mould) verb [UK: kɑːst] [US: ˈkæst]
model [modelled, modelling, models](create from a substance) verb [UK: ˈmɒd.l̩] [US: ˈmɑːd.l̩]
mold [molded, molding, molds](To shape in or on a mold) verb [UK: məʊld] [US: moʊld]To mold the clay one has to soften it first with water. = Para moldear la arcilla hay que ablandarla antes con agua.