Abstract: The present invention relates to a system intended to aid in the surgical correction of malformed regions of the skull by reshaping bone pieces, particularly in remodeling a skull. The present invention provides a system intended to aid in the surgical correction of a skull, particularly of craniosynostosis, wherein the system shall be based around a set of disposable three-dimensional skull templates, but it is also within the scope of the invention to use skull templates, which are sterilisable and can be re-used. A skull template corresponding to the size and desired head form of the patient is used as a template to remodel the cranial vault.