Implementation
static Path invader3() {
return Path()
..moveTo(21.0, 21.0002)
..cubicTo(25.4053, 42.1216, 29.3148, 65.4173, 32.4562, 90.1782)
..lineTo(108.684, 90.1782)
..lineTo(108.684, 138.5)
..lineTo(53.3124, 138.5)
..cubicTo(60.9409, 164.622, 65.9158, 202.214, 66.678, 244.691)
..lineTo(107.95, 244.691)
..lineTo(107.95, 275.975)
..lineTo(66.3842, 275.975)
..cubicTo(66.2285, 280.864, 66.2105, 285.634, 65.9439, 290.369)
..lineTo(107.95, 290.369)
..lineTo(107.95, 321.653)
..lineTo(63.1533, 321.653)
..cubicTo(60.8121, 341.683, 57.4724, 359.403, 53.3127, 373.647)
..lineTo(108.685, 373.647)
..lineTo(108.685, 421.969)
..lineTo(32.4564, 421.969)
..cubicTo(29.315, 446.73, 25.4055, 469.878, 21.0002, 491.0)
..cubicTo(67.2675, 482.246, 122.083, 476.073, 181.975, 473.228)
..lineTo(181.975, 421.969)
..lineTo(181.975, 373.647)
..lineTo(217.078, 373.647)
..cubicTo(224.884, 443.739, 239.294, 491.0, 256.0, 491.0)
..cubicTo(272.706, 491.0, 287.246, 443.739, 295.069, 373.647)
..lineTo(330.172, 373.647)
..lineTo(330.172, 421.969)
..lineTo(330.172, 473.228)
..cubicTo(390.064, 476.074, 444.733, 482.246, 491.0, 491.0)
..cubicTo(486.595, 469.878, 482.832, 446.73, 479.691, 421.969)
..lineTo(403.462, 421.969)
..lineTo(403.462, 373.647)
..lineTo(458.834, 373.647)
..cubicTo(454.675, 359.403, 451.262, 341.683, 448.847, 321.653)
..lineTo(404.05, 321.653)
..lineTo(404.05, 290.369)
..lineTo(446.056, 290.369)
..cubicTo(445.777, 285.634, 445.632, 280.864, 445.469, 275.975)
..lineTo(404.05, 275.975)
..lineTo(404.05, 244.691)
..lineTo(445.175, 244.691)
..cubicTo(445.977, 202.214, 451.206, 164.622, 458.834, 138.5)
..lineTo(403.463, 138.5)
..lineTo(403.463, 90.1782)
..lineTo(479.691, 90.1782)
..cubicTo(482.832, 65.4173, 486.595, 42.1216, 491.0, 21.0002)
..cubicTo(444.733, 29.7544, 390.064, 36.0734, 330.172, 38.9189)
..lineTo(330.172, 138.5)
..lineTo(295.069, 138.5)
..cubicTo(287.245, 68.3814, 272.708, 21.0002, 256.0, 21.0002)
..cubicTo(239.293, 21.0002, 224.885, 68.3814, 217.078, 138.5)
..lineTo(181.975, 138.5)
..lineTo(181.975, 38.9189)
..cubicTo(122.083, 36.0733, 67.2678, 29.7544, 21.0004, 21.0002)
..lineTo(21.0, 21.0002)
..close();
}