rotational moulding cast mold 1, Rotational mould, 2, Cast aluminum. 3, Low delivery time 4. CNC process rotational moulding cast mold Rotational molding or called roto mould, rotomolding, roto-moulded, rotomold is used for hollow, large scale parts. Rotomolded parts can either be single wall or double wall depending on the mold construction and customer specifications. Rotomolding or called roto ...