The BBC series The Planets had an episode showing the 3d physical Mars map you describe. Jump to the 9:45 mark in this video to see it and some discussion of the canyon discussed in the article:
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Yes I wasn’t sure my video featured the Mars globe, just the lander and some photos (didn’t have time to rewatch the whole thing).
Thanks for the link.
I love this era of space exploration and what they achieved with so little technology by modern standards.
I wonder if that Mars “globe” still exists anywhere in a museum.