truncated icosahedron variant

 From:  DannyT (DANTAS)
2275.2 In reply to 2275.1 
Welcome Troutcatcher,
Brown or Rainbow :)

You can use this method that Michael has shown here, once you have established one triangle and the hexagon angle the rest should follow quite easily.
If no one has a shot at this I'll give it a go when I have some time.