Model Making With Rigid Foam Boards – Extruded Polystrene (XPS) Extruded Polystyrene has been used extensively for model making, including model railways, model boats, surf boards, architectural modelling, sculptures and table top games like Warhammer. Extruded Polystyrene sheets are 25-100 mm thick, which can be cut and shaped into almost any shape or dimension. Boards … Continue reading Model Making