I believe that an in-depth examination of each of the glyphs, of their shape, can give rise to some insights.
For example, let's look at the oblique stroke that is usually transliterated as i. Why did the scribe not write it straight but oblique? It seems like a minor issue but I think that analyzing these details is how we can move forward.
Let's look at this drawing that has been called the clock
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Inside the sphere those lines are repeated. Some appear straight, others slanted. They are strokes, three by three, that exist in other drawings of the codex. Does this line of the drawing have to do with the glyph of the so-called text? Curiously, the glyph can be doubled and tripled as in the drawing.
What emerges from this comparison is an insight into why the glyph is oblique and not straight. Is the scribe thinking in the sphere and that is why he writes it tilted?