To determine starting and ending points of basketweave on each oval tier, mark midpoint at both ends and measure top edge of cake on one side and bottom edge of cake on opposite side using the following measurements: for top tier, measure 2 1/2 in. on both sides of midpoint; for middle tier, measure 3 in. on both sides of midpoint; for bottom tier, measure 3 1/2 in. on both sides of midpoint.