The ornamental design for a basketballshootingaid, and described.
FIG. 1 is a top view showing my new design, the opposite side being a mirror image thereof;
FIG. 2 is a perspective view thereof:
FIG. 3 is an end view thereof; the opposite end view being the same; and,
FIG. 4 is a side view thereof; the only difference between the opposing sides being that one follows the slightly concave curvature and the other the slightly convex curvature shown in the profiles of FIGS. 1 and 2.