Wang-Sun

Wang–Sun Attractor — Wang and Sun (2010): a four-wing attractor, the trajectory passing between four lobes arranged around the z axis rather than the usual two.

dx/dt = ax + cyz
dy/dt = bx + dy − xz
dz/dt = ez + fxy

Open Wang-Sun in chaosrack →

It opens running, on the model selector, with its own knobs. Rotate it by dragging, zoom with the wheel, and turn the parameters to see what the figure does when the system changes.