This paper proposes a three-axis attitude and two-axis position sensor using a laser light as fixed coordinate. It consists of a beamsplitter, plane of projection and camera. Its structure is simple and compact. We show its structure and principle of measurement. The width, length and height of the developed sensor are 47.5 mm, 70 mm and 32 mm respectively. We have experimentally verified that the sensor can measure three-axis attitude and two-axis position.
