Coloured HIPS sheets for model making.
High Impact Polystyrene (HIPS), often referred to as styrene, is a widely used material in many fields of model making especially on architectural, interior design & theatre design models.
The advantages of HIPS over other building materials its speed of use. You can score the surface, snap along the score, then glue with Plastic Weld. This makes HIPS a great for sketch modelling.