Abstract: A number of polygonal panels each provided with a peripheral edge flange integral therewith being secured together in edge-to-edge relationship to form a dome structure which may be generally pyramidal, triangular or square in plan configuration. The panels may be constructed of glass fiber, reinforced plastic material, or may be constructed with a suitable rigid frame and covering skin with the frame and skin being constructed of various materials. The panels may be secured together in any suitable conventional manner depending upon the material from which the panels are constructed.