Pattern for a Granny Crochet 5? Bunt ? worked like a granny square
3 Chain, slip stitch into first ch to form a ring.
Round 1
3 chain, 3 treble in ring, [2 ch, 4 tr in ring, twice] 1 ch, dc into top of first 3 ch
Round 2 ? working into chain spaces
3 ch, 3 tr in 1st chain space, [1ch, 4 tr, 2 ch, 4 tr, twice], 1ch, 4 tr in last ch sp, 1 ch, 1dc in top of 1st 3ch
Round 3 ? working into chain spaces
3 ch, 3 tr in first ch sp, 1ch, 4tr in next ch sp, 1ch, [4tr, 2ch, 4tr, in corner], 1 ch, 4 tr in next ch sp, [4tr,2ch,4tr] in corner, [1ch, 4tr in next chain space, twice] 1 ch, 1dc into top of 3ch.
Round 4
3ch, 3tr in first ch sp, [1ch, 4tr in next ch sp twice], 1ch, [4tr, 2ch, 4tr into corner space],
[1ch, 4tr into next ch sp, twice], 1ch [4tr, 2ch, 4tr into corner], [1ch, 4tr into next ch sp, 3 times] 1ch, 1dc into top of 3ch.
I've checked it through but if anyone tries it and spots a mistake, please shout!