The ornamental design for a materialcart, as shown and described.
FIG. 1 is a perspective view of our material cart showing our new design and wherein all of the shelves of the cart are pivoted to a lowered, or substantially horizontal, position;
FIG. 2 is a front view thereof, the back view being a mirror image;
FIG. 3 is right side view thereof, the left side view being a mirror image;
FIG. 4 is a top view thereof;
FIG. 5 is a perspective view of our material cart showing our new design and wherein all of the shelves of the cart are pivoted to a raised, or substantially vertical, position;
FIG. 6 is a front view thereof; the back view being a mirror image; and,
FIG. 7 is a right side view thereof, the left side view being a mirror image; and the bottom view thereof is plain and unornamental.