Red tree is an art piece made to satisfy oriental spirit of Japan. Inspiration was Japan, its national colors and simplicity.
Uneven circle speaks in the name of nature and life that is never perfect and is beautiful just as is. Perfection and beauty have many definitions and none or all of them are true.
The one who likes is just the way it is, imperfectly beautiful, is the one this project is speaking to.
Diameter short version:
Diameter long version: