裂纹蛋勾勒指定形状微距图

photorealistic image of a white egg with cracks forming the basic simple cracked outline of a {argument name="shape" default="[SHAPE]"} shape . The egg should appear freshly cracked, with sharp, clean lines defining the simple shape of the {argument name="shape" default="[SHAPE]"} outline. Emphasize the contrast between the smooth, intact surface of the egg and the jagged edges of the cracks against a dark background.