x  x  
        
x      x

Incidence matrix according to Dynkin symbol

xx xw&#q   → height = sqrt(5)/2 = 1.118034

o. o.    | 4 * | 1 1 1 0 0 | 1 1 1 0
.o .o    | * 4 | 0 0 1 1 1 | 0 1 1 1
---------+-----+-----------+--------
x. ..    | 2 0 | 2 * * * * | 1 1 0 0
.. x.    | 2 0 | * 2 * * * | 1 0 1 0
oo oo&#q | 1 1 | * * 4 * * | 0 1 1 0  q
.x ..    | 0 2 | * * * 2 * | 0 1 0 1
.. .w    | 0 2 | * * * * 2 | 0 0 1 1  w
---------+-----+-----------+--------
x. x.    | 4 0 | 2 2 0 0 0 | 1 * * *
xx ..&#q | 2 2 | 1 0 2 1 0 | * 2 * *
.. xw&#q | 2 2 | 0 1 2 0 1 | * * 2 *  traz
.x .w    | 0 4 | 0 0 0 2 2 | * * * 1