An engine casing (12) for a mid-turbine frame (14) having a plurality of radially extending struts (34) includes a ring structure (22) and at least one mount (30). The ring structure has an interior surface (24), an exterior surface (26), and a plurality of equally spaced dimples (28) along the exterior surface (26) and protruding from the interior surface (24). The ring structure (22) is connected to each of the plurality of struts (34) at the interior surface (24) at the dimples (28). The mount (34) is positioned within each of the dimples (28) and transfers load to the engine casing (12).