This time, the circle arches got more accurate, with nodes at every ° turn -about 0,6 mm at the most. 14,6 MB, hope this fits in here without shrinking the quality by filesize 斐波那契 螺旋 高 Fibonacci spiral
Built up from circular paths with radial gradient fills. No clipping involved 斐波那契 螺旋 廣場 Fibonacci spiral