I used just one board on the back of the sunburst art (unlike the 2 I used on the shelf).
Bits and pieces of scraps--trim boards, etc. that I cut some random angles on and attached with screws created the sunburst.
I added some of my favorite paint colors, sanded them when dry, and used stain over the whole piece.
This would look great above a door or a twin bed. It is a quick and easy project that looks like it could have been on a vintage