\u201cI know a face where the wild thyme blows, Where oxlips and the nodding violet grows, Quite over-canopied with luscious woodbine, With sweet musk-roses and with eglantine.\u201d William Shakespeare, A Midsummer Nights Dream

Draw your pattern onto the rolling pin. Its easier to work out the pattern before with a Sharpie than it is later with the hot glue. Think about some sort of connected pattern, they tend to have the best results. Then go over the drawn pattern with the hot glue, to make it a raised pattern.