This is another that works up smaller than expected, but it has a simple elegance to it. It does contain bobble stitches,
Bobble: work 4dc into same sp leaving last loop of each on the hook. yo and draw through all loops on hook
Base Ring: Ch6, join with slip st
Round 1: Ch3, dc2tog into ring (counts as bobble), [ch3, bobble into ring] 7 times, ch3, slip st to top of 1st bobble
Round 2: Slip st to center of next ch-3 sp, ch1, 1sc into same space, [ch5, 1sc into next sp] 7 times, ch2, 1dc into 1st sc
Round 3: *Ch5, [bobble, ch3, bobble] into next sp**, ch5, 1sc into next sp; rep from * twice and from * to ** again, ch2, 1dc into dc that closed round 2
Round 4: *Ch5, 1sc into next sp, ch5, [1sc, ch5, 1sc] into corner ch-3 sp, ch5, 1sc into next ch-5 sp; rep from * 3 more times, ending last rep into dc that closed 3rd round, slip st to 1st ch.