Sunk-relief Is A Technique Restricted To Ancient Egypt. Relief Is The Usual Sculptural Medium For Large Figure Groups And Narrative Subjects, Which Are Difficult To Accomplish In The Round.
Metalwork And Jewellery. Relief Sculpture May Also Decorate Steles, Upright Slabs, Usually Of Stone, Often Also Containing Inscriptions.Another Basic Distinction Is Between Subtractive Carving Techniques.
Techniques Such As Casting, Stamping And Moulding Use An Intermediate Matrix Containing The Design To Produce The Work; Many Of These Allow The Production Of Several Copies.