The beam director consists of the following: The first reflector is mounted towards the center of a horizontally rotatable platform which is a rotatable platform by an actuator and the beam director is configured to receive a vertical beam from a beam source perpendicular to the rotatable platform, And to reflect the beam horizontally to a second reflector mounted on a rotatable platform. The second reflector is configured to reflect the beam perpendicularly to the working surface, which rotates the beam with a second reflector that reflects the beam to the working surface as the beam is activated and the actuator rotates the platform So that the vertical beam can rotate it and illuminate its own first reflector. This beam then moves along the curved path to the working surface and draws an arc on the working surface.
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