02Nov 2017 Double Outline Heart — 4″ (31 x 31) pattern by Sue Burton ⋅ Leave a Comment Spread the love . . . You might notice R9-11 each have only one set of U3s on the outline. This preserves the inside heart shape. Related Posted in: 4" Loom Patterns (31 x 31), Hearts---4" (31 x 31) ⋅ Tagged: double outline heart