We claim the ornamental design for a door for washing machine, as shown and described.
FIG. 1 is a front perspective view of a door for washing machine showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a bottom perspective view thereof; and,
FIG. 9 is another front perspective view of the door for washing machine in which a washing machine is provided in broken lines to illustrate an example environment.
The broken lines in the figures show portions of the door for washing machine which form no part of the claimed design.