Fat Quarter Shop Memorial Day Deal: 10% Off! Last updated by Brandy on September 13, 2018. Memorial Day Subscription Box Deals / Subscription Box Coupons & Deals / Sew Sampler Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Fat Quarter Shop is having a Memorial Day Sale: Save 10% off your entire order using promo code Patriot10. This offer excludes Gift Certificates and Flash Sale Items. One use per customer, not valid with other offers, expires Tuesday, May 30th, 2017 at midnight.