A vehicle (100) for use in the field of visual effects is provided, which has at least one adjustable dimension. The vehicle comprises a frame (101) and a plurality of wheels (110, 120, 130, 140), the wheels being adjustably attached to the frame such that the distance between a pair of wheels can be adjusted either manually or automatically. This adjustment may be a continuous adjustment. The vehicle may also comprise tracking markers which generate data in order to facilitate the production of a digital model. The vehicle may also comprise a camera (155) having a 360 degree field of view. The data captured by the camera can be used in the digital effects process to create realistic reflections of the surrounding environment on the digital model.