The ornamental design for an ashcollector for outdoorfire pit, as shown and described.
FIG. 1 is a top perspective view of an ash collector for outdoor fire pit;
FIG. 2 is a bottom perspective thereof;
FIG. 3 is a front view thereof, with a back view being identical thereto;
FIG. 4 is a ride side view thereof, with a left side view being identical thereto;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is another top perspective view of the ash collector for outdoor fire pit shown in its environment.
The broken lines shown in the drawings depict portions of the ash collector for outdoor fire pit and environment that form no part of the claimed design.