BDD Büro Destruct Designer is reclaiming the screens.
«BDD Büro Destruct Designer» screensaver randomly generates endless compositions of colour with the basic graphic shapes circle and square since 1999.
The new BDD screensaver works on the latest macOS. (Big Sur and up). You can set the speed, the amount of black backround and colour-transparency in the screensaver options. It supports multiple monitors. Enjoy!