Corner Ornament svg image

Copy this image. Insert it into left-down corner. 
Fill areas with beautiful colors. 
Copy paste. 
Flip vertical. Move flipped image to right-down corner.
(Use (Alt+)right arrow to keep the up-down position.)
Select all.
Copy paste.
Move to upper edge. Flip horizontal.
Fill missing parts with rectangular areas.

Svg corner image

Decorative corner image in svg format. Keeps accuracy in any image size.

An example here: