Scale Design Ideas 

Chosen colors randomly fade into each other 

Can be completely one color, or blocks of solid color

Any number of colors randomly placed throughout design. Can have even amount of the colors, or a main color with other colors spotted throughout (Example: Main color blue with some red and green speckles here and there)

Can run vertical, horizontal, or diagonal

Can be vertical, horizontal, random spacing, etc. 

Can be thick or thin lines and go vertical or horizontal throughout piece

If you have a logo or picture you wanted to try out, many pieces can accommodate this. Above are just some examples 

A design that doesn't have any rhyme of reason, but looks beautiful