Can You Find the Human Skull?

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Author name
Owl Creek Technologies
Source
Sketchfab
Polygon Count
1,914,486
Release Date
2021-07-01
License
CC BY 4.0
terrainmeshnasamarsvrlargeskullmastcam-zperseverancesol125

Asset Overview

A YouTube video is making the rounds about a human skull carved into a Mars rock. Of course this only based upon 2D images from the Perseverance's Mastcam-Z camera taken on SOL-125. Before that video was released, I was already working on creating a "uber mesh" using Apple's Object Capture "raw" mode now that it works in MacOS 12 beta 2. I was stunned that it literally mapped this 5M faces mesh (I had to decimate it 3M just so I could upload the mesh in a FBX zip file since GLtf or USD was way too big) with five, 8K diffuse textures, making this about 24K by 16K texture. Sadly, it is a custom (non UDIM) map to five mesh elements that I had to join and assign UV areas to the joined mesh file. Other than that I regraded the textures to match my calibrated curves from the Mastcam target and converted them to JPGs so they fit under SketchFabs 70M texture file limit. The 'line' artifacts were created by 'Object Capture' which I would blend/clone away in 3D Coat. I will be uploading a 'lite' version soon.

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