Buy 2 patterns for $11.8 (each pattern $5.9).  Apply coupon code TWO on the checkout page.

Buy 3 patterns for $16.5 (each pattern $5.5).  Apply coupon code THREE on the checkout page.

Buy 4 patterns for $21 (each pattern $5.25).  Apply coupon code FOUR on the checkout page.

Buy 5 patterns for $25 (each pattern $5).  Apply coupon code FIVE on the checkout page.