Attributes . 1000 points/turn || 1.8 ?, 0.9 ?, 0.72 ?, 0.36 ?, 0.18 ?, 0.09 ?, 0.072 ?, 0.036 ? step angle || 200, 400, 500, 1000, 2000, 4000, 5000, 10000 steps number of full steps per revolution . Names