vormi valmistamine mudeli asemel kärnkasti kasutades, kusjuures saadavad liivkärnid paigutatakse (valandi sise- ja välipindade moodustamiseks) otse valuvormi (vt kärnkast, valumudel, valuvorm), molding process in which the core box is used instead of pattern and the produced sand cores are assembled directly into the mold for contouring (both internal and external) surfaces of a casting (see: core box, pattern, mold)