Boxy Tote Pattern. The Boxy Tote was designed to hold a Singer Featherweight Sewing Machine. It has a rigid metal frame that holds the mouth of the bag open and offers protection for its contents. This Boxy Tote is great for knitting projects, sewing supplies, also the best diaper bag ever. The pattern includes 2 metal stays (PSH054) to make your first bag. Approximate finished size: 14in wide x 12in tall x 11in deep.