The 144-tooth ring is the big square of the set: 144 = 2⁴ × 3² = 12². It's the largest ring most classic sets include a full wheel range for, and its double dose of 3s gives it petal counts no other ring can make — 9, 18, and 36 all come naturally here, along with the widest overall menu in the set: 2, 3, 4, 6, 9, 12, 16, 18, 24, 36, 48, and 72 petals across the eighteen wheels.
As always, petals = 144 ÷ gcd(144, wheel). Wheel 50 is the champion — it shares only a factor of 2 with 144, producing a dense 72-petal web over 25 rotations, the second-finest pattern in the whole set. Wheel 75 (gcd 3) follows with 48 petals, and wheel 52 (gcd 4) gives a lovely 36-petal rosette in 13 rotations. The nine-fold family is this ring's signature: wheels 32, 64, and 80 each land on gcd 16 and draw 9-petal patterns — a triangular-feeling symmetry you can't get from ring 96 or 150 at all. At the bottom, wheel 72 divides 144 exactly and closes with 2 petals in a single rotation.
Ring 144's size also matters physically: with the same wheel and pen position, patterns drawn in it have a larger empty center and longer, more elongated petals than ring 96 produces — compare 144/45 against 96/45 to see the same wheel telling two different stories. That generous center makes it the natural outer ring for layered compositions: draw a 144-ring frame first, then fill the middle with a smaller ring's pattern. Browse all eighteen combinations below, or jump to ring 150 for the set's largest ring.