How can I get a group of triangles that comprise a cube face?

[casamigos17]

Hey mjurczyk,
My intuition was actually correct! It seems that geometry.groups keeps track of the triangles that conform a single cube face:

I got a wrong implementation of the code, now works fine:

2 triangles from a group item generating a cube face

Using 2 group items:

Using 3:

We prove it again that threejs is awesome!