For example Matrix3x3 for Trimetric View looks like:
matrix.Xx = 0,63121905864763
matrix.Xy = 0,775604602874429
matrix.Xz = 0
matrix.Yx = -0,291176881826266
matrix.Yy = 0,236971772169955
matrix.Yz = 0,926855114181588
matrix.Zx = 0,718873092756943
matrix.Zy = -0,585048612676443...