I highly doubt that any human could manually write a pelican SVG in a single shot like LLMs do. With a lot of guessing and checking of coordinate positions in the web browser, maybe they could do it.

I imagine that you could theoretically also guess and check without the web browser by manually rendering the SVG using some graph paper, a compass, a straightedge, and coloured pencils, but that sounds unbelievably tedious and also very error-prone.