o   o
q   q

using edge sizes u = 2 and q = sqrt(2) = 1.414214

Incidence matrix according to Dynkin symbol

u q3o

. . . | 6 | 1 2 | 2 1
------+---+-----+----
u . . | 2 | 3 * | 2 0
. q . | 2 | * 6 | 1 1
------+---+-----+----
u q . | 4 | 2 2 | 3 *
. q3o | 3 | 0 3 | * 2

qq3oo&#u   → height = 2
(q-{3} || q-{3})

o.3o.    | 3 * | 2 1 0 | 1 2 0
.o3.o    | * 3 | 0 1 2 | 0 2 1
---------+-----+-------+------
q. ..    | 2 0 | 3 * * | 1 1 0
oo3oo&#x | 1 1 | * 3 * | 0 2 0
.q ..    | 0 2 | * * 3 | 0 1 1
---------+-----+-------+------
q.3o.    | 3 0 | 3 0 0 | 1 * *
qq ..&#x | 2 2 | 1 2 1 | * 3 *
.q3.o    | 0 3 | 0 0 3 | * * 1

uu oq&#q   → height = sqrt(3/2) = 1.224745
(u-line || (u,q)-{4})

o. o.    | 2 * | 1 2 0 0 | 2 1 0
.o .o    | * 4 | 0 1 1 1 | 1 1 1
---------+-----+---------+------
u. ..    | 2 0 | 1 * * * | 2 0 0
oo oo&#q | 1 1 | * 4 * * | 1 1 0
.u ..    | 0 2 | * * 2 * | 1 0 1
.. .q    | 0 2 | * * * 2 | 0 1 1
---------+-----+---------+------
uu ..&#q | 2 2 | 1 2 1 0 | 2 * *
.. oq&#q | 1 2 | 0 2 0 1 | * 2 *
.u .q    | 0 4 | 0 0 2 2 | * * 1

uuu&#q   → all heights = sqrt(2) = 1.414214
(u-line || (u-line || u-line))

o..    | 2 * * | 1 1 1 0 0 0 | 1 1 1 0
.o.    | * 2 * | 0 1 0 1 1 0 | 1 0 1 1
..o    | * * 2 | 0 0 1 0 1 1 | 0 1 1 1
-------+-------+-------------+--------
u..    | 2 0 0 | 1 * * * * * | 1 1 0 0
oo.&#q | 1 1 0 | * 2 * * * * | 1 0 1 0
o.o&#q | 1 0 1 | * * 2 * * * | 0 1 1 0
.u.    | 0 2 0 | * * * 1 * * | 1 0 0 1
.oo&#q | 0 1 1 | * * * * 2 * | 0 0 1 1
..u    | 0 0 2 | * * * * * 1 | 0 1 0 1
-------+-------+-------------+--------
uu.&#q | 2 2 0 | 1 2 0 1 0 0 | 1 * * *
u.u&#q | 2 0 2 | 1 0 2 0 0 1 | * 1 * *
ooo&#q | 1 1 1 | 0 1 1 0 1 0 | * * 2 *
.uu&#q | 0 2 2 | 0 0 0 1 2 1 | * * * 1