Tint 5 oz. white fondant with Royal Blue icing color for shade used on smooth stripes. Roll out violet fondant 3/16 in. thick; using Cutter/Embosser with 2 straight-edge cutters and 2 striped embossing wheels (no spacers), cut 8 double-wide strips, 5 in. long. Roll out blue fondant 3/16 in. thick; using 2 straight-edge cutters and one 1/3 in. spacer, cut 8 smooth strips, 5 in. long. Attach strips, alternating blue and violet, to cake sides with damp brush.