Yes, shoemakers can usually repair or modify ladies' pointed shoes according to your requirements. If you want to change the shape of the toe cap into a shoulder shape, you can discuss your needs with the shoemaker and ask their opinions. They may evaluate whether the shoes can be modified according to the material and design, and provide appropriate repair suggestions. Please remember that before making any changes, it is best to consult and discuss with the shoemaker in detail to ensure that you are satisfied with the final result.