pgrindrod was kind enough to share his DEM of western Endeavour with me (thank you ); this is the same DEM he used to generate the visibility maps about Cape York. Following much effort spread over a couple of weeks (largest data set I've ever worked with), I was able to convert it to an STL file format and snip-out the vicinity of Cape York (once I found it) so that I could get a sense of scale. While there's a good drop-off to the east (nearly 30 meters), Cape York doesn't rise much above the plains approaching from the west.
Here's an overview image, with north at top. I have illumination coming from the west at an angle of 30 degrees from horizontal. There is no vertical exaggeration.
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The wedge/valley feature at the northeast corner is not very prominent here (perhaps it is more albedo feature than topological). As I recall, the resolution of the DEM is about .3 meters vertically on about a 1-meter grid. The dunes to the east show nicely, as does the crater that Oppy's headed towards at the south.
Here's a profile view from the west. The target crater is hidden by a small rise to the right.
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Here's a profile view from the south. The target crater is to the left, and you can get a sense of topography and how the ground descends rapidly to the east (right). There is no vertical exaggeration in any of these views.
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Here's a close-up view of the target crater from the south with a 2 meter figure standing near the north rim to provide scale. Cape York rises gently behind it.
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Here's an oblique view from the north of Cape York -- you can just see the 2 meter figure as a blueish spike in the distance, though the crater it stands next to is hidden.
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Another oblique view from the southest, where the 2 meter figure is just visible by the crater to the lower right.
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An oblique view from the northeast, nicely showing the dunes to the east (left) and all of Cape York.
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And that's enough images for one post. Apologies for the color -- I tried a couple of variations. Enjoy. Credit goes to pgrindrod for the DEM and assistance in converting it to a format I could work with.