裂痕蛋形状

Prompt on Nano Banana Pro : photorealistic image of a white egg with cracks forming the basic simple cracked outline of a [SHAPE] shape . The egg should appear freshly cracked, with sharp, clean lines defining the simple shape of the [SHAPE] outline. Emphasize the contrast between the smooth, intact surface of the egg and the jagged edges of the cracks against a dark background.