FIG. 1 is a front perspective view of an indirect lighting fixture showing our new design;

FIG. 2 is a right side elevational view thereof on an enlarged scale, the left side being a mirror image thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front perspective view of a second embodiment of our new design;

FIG. 7 is a right side elevational view thereof on an enlarged scale, the left side being a mirror image thereof;

FIG. 8 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 9 is a bottom plan view thereof; and,

FIG. 10 is a top plan view thereof.

The broken line showing of lamps in the top plan views of the illustrated embodiments of the invention is for illustrative purposes only and forms no part of the claimed design.