Install wmcube by entering the following commands in the terminal:
sudo apt update sudo apt install wmcube
Description:
spinning 3D object that shows the current CPU load
wmcube is a dockapp that displays a realtime rotating 3D object which indicates current CPU load. The higher the load, the faster the object spins. On SMP machines one instance can be run for each processor. . Originally wmcube could spin only a cube, hence the name.
Homepage: http://linux-bsd-unix.strefa.pl/index.en.html
Version: 1.0.2-1
Section: universe/x11