In honor of the excitement we’ve been having on the Facebook Pin Loom Weaving Support Group lately, and because I loved Lynette’s image of rainbows after storms . . .
For explanation of abbreviations used in the pattern, see Glossary.
UPDATE
If you want a solid heart, follow the yellow (and greenish-yellow) marks shown in the diagram below. Note: leave out the blue U3 shown in red parentheses (center of R8). This little heart is a compromise pattern. Leaving out that one U3 set will help the solid heart look a bit more heart-shaped.