That's a beautiful animation (and useful maths ;-).

In the spirit of minimalism, Merry Christmas to all HNers with this little but time-tested command:

  $ xmastree 5 9 2024`
                                *
                               ***
                              *****
                             *******
                                *
                               ***
                              *****
                             *******
                                *
                               ***
                              *****
                             *******
                                *
                               ***
                              *****
                             *******
                               ***                              
                               ***                              
                               ***                              
                               *** 

Source: https://github.com/jochenleidner/ltools/blob/main/src/bin/xm...