Ornamental frame fitting

FIG. 1 is a top view of the frame fitting according to the design;

FIG. 2 is a right side elevation view of the frame fitting, which is identical to the left side elevation view of the frame fitting;

FIG. 3 is a bottom view of the frame fitting;

FIG. 4 is a front end view of the frame fitting;

FIG. 5 is a rear end view of the frame fitting;

FIG. 6 is a perspective view of the frame fitting; and,

FIG. 7 is a perspective view of the frame fitting with the broken line showing of a partial pipe is for illustrative purposes only and forms no part of the claimed design.