Based on the answers provided, here are the corrections needed for the 3D object:

1. Make sure the object resembles a square baking mold. This means it should have a square shape with depth, similar to a baking mold.
2. Ensure the object has rounded corners. This is a common feature of baking molds to prevent injury and facilitate easy removal of baked goods.
3. Add a smaller square with rounded edges on the surface of the object. This could be a design feature or serve a functional purpose.
4. Make sure the smaller square is centered at the same point as the original square. This will ensure symmetry and balance in the design.
5. Create a hole in the original object using negative extrusion. This could be a design feature or serve a functional purpose, such as allowing heat to circulate more evenly.