Did Bitzer Draw?

Did Lloyd Bitzer ever draw his situational model? Or are all of the
visually rendered triangles drawn from his textual account?

If he didn’t draw it (I can’t find evidence that he did), are responses to
the model’s viability fueled instead by its proliferation as an abstraction
pulled (like a rabbit from a hat) out of Bitzer’s textual account? How did the
textual model evolve into a disciplinary fixture, a visual commonplace?
How was it translated from text to geometric figure? Should we enjoy free license
to convert anything with three points into a triangle?

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