public SurfaceTool getWFace(SurfaceTool st, Vector3 offset)
{
//Upper Tri
//N W D
st.add_uv(new Vector2(0, 0));
st.add_vertex(new Vector3(1 + offset.x, -1 + offset.y, 1 + offset.z));
//N W U
st.add_uv(new Vector2(0, 1));
st.add_vertex(new Vector3(1 + offset.x, 1 + offset.y, 1 + offset.z));
//S W U
st.add_uv(new Vector2(1, 1));
st.add_vertex(new Vector3(-1 + offset.x, 1 + offset.y, 1 + offset.z));
//LOWER TRI
//S W U
st.add_uv(new Vector2(1, 1));
st.add_vertex(new Vector3(-1 + offset.x, 1 + offset.y, 1 + offset.z));
//S W D
st.add_uv(new Vector2(1, 0));
st.add_vertex(new Vector3(-1 + offset.x, -1 + offset.y, 1 + offset.z));
//N W D
st.add_uv(new Vector2(0, 0));
st.add_vertex(new Vector3(1 + offset.x, -1 + offset.y, 1 + offset.z));
st.index();
return(st);
}