Spinner Joy - i begin to feel i have may looked too long into an abyss with this one

latest version - sj6.zip

See also SpinnerJoy 2!

This is kinda hard to describe.
It's a buncha sticks spinning at almost the same speed*,
which gives rise to mesmerizing and sometimes revelation-level complexity.
* (In particular, angular velocity ~= c1 + c2 * stick's distance from some fixed point.)

Screenshots really hide the dynamics, but:

earlier versions
sj5.zip sj5_src.zip sj4.zip sj3.zip sj1.zip

And It makes great t-shirts!

Did i mention makes great t-shirts ?