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在一张厚纸上画出如下图所示的正八边形,并在此八边形的中心按此图准确画出八角形孔。请你把此八边形剪成8个相等的三角形,并用这八个三角形拼成一朵有八个瓣的花,而且花的蕊心也是正八边形。
Draw a regular octagon on a piece of thick paper as shown in the image below and follow this illustration to accurately draw an octagonal hole in the center of the octagon. Please cut the octagon into eight equal triangles, and use the eight triangles to form a flower with eight petals, and the center of the flower is also a regular octagon.