The Shield of Faith
Today's RCIA topic was the Trinity. The deacon who led the discussion -- a transitional deacon in the Marians of the Immaculate Conception -- did an excellent job (though he did speak almost the whole of St. Patrick's part in "Saint Patrick's Bad Analogies").
He started with the Scutum Fidei, which he called the "nun model," since most American Catholics who know the model learned it from a nun.
As the discussion went on, I started to think that this is actually quite a useful visual aid -- not just as an arrangement of major Trinitarian predications, but also simply to keep pointing to the vertices of the triangle.
The Father...
The Son....
The Holy Spirit...
Let's be inescapably and explicitly Trinitarian out there.
The Shield of the Trinity is also something of a family tree, which in the fecundity of God's love branches out: