Hello everyone!
I made a fun feature today!
I was watching a video of someone creating a mandala on a iPad.
This inspired me to create this:
http://justinbieshaar.com/mandala/mandala4.png
http://justinbieshaar.com/mandala/mandala3.gif
http://justinbieshaar.com/mandala/mandala2.gif
http://justinbieshaar.com/mandala/mandala.gif
http://justinbieshaar.com/mandala/mandala5.png
I have used Graphics2D and Points, no libary’s.
Click here for Rotation matrix wiki
Hope you like it!
For questions, please comment or send me a message 
Greetings, Justin.