Gray&White

import random
from PIL import Image, ImageDraw, ImageFilter


def bbox(x: int, y: int, d: int = 12) -> list[tuple[int, int, int, int]]:
    dd = d * 2
    return [
        (x - d, y - d, x, y),
        (x, y, x + d, y - d),
        (x, y, x + d, y + d),
        (x, y, x - d, y + d),

        (x - d, y - d, x + d, y - d),
        (x + d, y - d, x + d, y + d),
        (x - d, y + d, x + d, y + d),
        (x - d, y - d, x - d, y + d),

        (x, y + dd, x - d, y + d),
        (x + d, y - d, x + dd, y),
        (x + dd, y, x + d, y + d),
        (x + d, y + d, x, y + dd),

        (x, y + dd, x - d, y + d),
        (x - d, y + d, x - dd, y),
        (x - dd, y, x - d, y - d),
        (x - d, y - d, x, y - dd),
    ]


def gray() -> Image.Image:
    size = 612
    chuncks = 8 # 8x8
    image = Image.new("RGB", (size, size), color=(73, 73, 73))

    draw = ImageDraw.Draw(image)

    rx = size // chuncks
    x = rx // 2
    y = rx // 2
    d = rx // 6

    fill = (255, 255, 255)
    width = 2

    for dy in range(chuncks):
        for dx in range(chuncks):
            dpos = (x + rx * dx, y + rx * dy)
            bbx = bbox(*dpos, d=d)
            for pos in random.sample(bbx, k=random.randrange(4, 8)):
                draw.line(pos, fill=fill, width=width)

    image = image.filter(ImageFilter.ModeFilter(3))
    image = image.filter(ImageFilter.BoxBlur(0.05))

    return image


if __name__ == "__main__":
    gray().save("gray.png")