# Convert the black & white image to 2D-style PNG by applying a slight threshold to enhance the sketch look

# Convert to numpy array for processing

bw_array = np.array(bw_image)

# Apply a binary threshold to simulate a 2D sketch effect

threshold = 100

bw_2d_array = (bw_array > threshold) * 255 # Convert to binary: 0 or 255

# Convert back to PIL image

bw_2d_image = Image.fromarray(bw_2d_array.astype(np.uint8))

# Save as PNG

bw_2d_png_path = "/mnt/data/black_white_2d_sketch.png"

bw_2d_image.save(bw_2d_png_path)

bw_2d_png_path