FIG. 1 is a bottom front perspective view of a surfcraft fin according to a first embodiment of our design;
FIG. 2 is a bottom rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a first side view thereof;
FIG. 6 is a second side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof;
FIG. 9 is a bottom front perspective view of a surfcraft fin according to a second embodiment of our design;
FIG. 10 is a bottom rear perspective view thereof;
FIG. 11 is a front view thereof;
FIG. 12 is a rear view thereof;
FIG. 13 is a first side view thereof;
FIG. 14 is a second side view thereof;
FIG. 15 is a top view thereof;
FIG. 16 is a bottom view thereof;
FIG. 17 is a bottom front perspective view of a surfcraft fin according to a third embodiment of our design;
FIG. 18 is a bottom rear perspective view thereof;
FIG. 19 is a front view thereof;
FIG. 20 is a rear view thereof;
FIG. 21 is a first side view thereof;
FIG. 22 is a second side view thereof;
FIG. 23 is a top view thereof; and,
FIG. 24 is a bottom view thereof.
Broken lines are environmental only and form no part of the claimed design.