Custom Designs We can accommodate special requests such as custom flow models based on the customer designs. Please contact Interactive Flow Studies. Examples of custom flow models for the FLOWCOACH System, requested by our customers. These were made with the Rapid Prototyping System. Aerofoil 0°  Flow model insert for flow around a Clark-Y aerofoil | Aerofoil 16°  Flow model insert for flow around a Clark-Y aerofoil | | Cylinder  Flow model insert for flow around a cylinder. | Step Up  Flow model insert for flow through a Step Up. | Examples of custom flow models for the ePIV System, requested by our customers. These were made from acrylic. Aerofoil  Flow model insert for flow around a Clark-Y aerofoil (0,8,16 degrees) | Cylinder  Flow model insert for flow around a cylinder. | | Venturi  Flow model insert for flow through a venturi. | Orifice  Flow model insert for flow through an orifice. | | Step  Flow model insert for flow over steps. | |