The most common aspect in gold inlay and amalgam cavity design is
The gingival bevel removes the unsupported enamel and compensates for casting shrinkage. It is a feature of resistance form. Reverse bevel is given in inlay for lap sliding fit. It locks the restoration and prevents proximal displacement.
Axiopulpal bevel
Gingival bevel
Occlusal bevel
Axiofacial bevel