The complex dougong brackets only have to support a lightweight fiberglass roof, so there is need to go to the trouble of making them with a mortise-and-tenon construction.
繁複的斗拱，上面頂的是玻璃纖維的屋頂，並不需要分擔巨大重頂，因此也就不必費工地用接榫方式完成。