He’s using an Arduino Mega to drive the 7x7x7 cube and manages to squeeze out what he calls 142 frames per second with the setup ... a more entry-level Arduino LED cube this 4x4x4 project ...

Bucking the downward trend [HansLuijten] provides an astoundingly thorough set of LED strip patterns in his ... average beginner tutorial on how to setup a strand of NeoPixels.