When consolidating the text items (loci) as part of the standardisation I did for the common transliteration format IVTFF, the page You are not allowed to view links.
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I fully agree that on this page, text and illustrations affect each other in both directions.
While it is possible that the page was drafted first, so that the overall shapes were defined before the first ink was applied to the parchment, I am also doubtful that this would fully explain all the things we see, in particular the partly slanted overall orientation.
The complications with identifying the text units on this page are several:
1. The lines at the top, left and right of the drawing, do not line up with each other. This is not the only time this happens, and it is not even the worst case, but it is a serious problem. Should this text be interpreted line by line, or in two columns? There are several indications for each, and they seem to be in favour of the option that the texts should be read as lines interrupted by the drawing. Still, it very strongly suggests that the drawing was there before the text was written.
2. The individual characters to the right of the top six lines (five or six?). These seem to be a separate, not part of the lines, but they have little impact on the present question.
3. Some of the words above and left of the bottom illustration can either be labels or part of very wobbly lines. Extremely hard to decide, but again, there seems to be little doubt that they were added after the drawing.
Overall, I favour the option that the text and drawings may have been added concurrently.
Without being at all sure of course.