Fixed, thanks didn't know it def had to be mine. I guess it makes sense - otherwise everything would be Show HN.
For painting I think in this demo you can only use the dropdown near the load icon to upload an image that will be used as a texture. But haven't played with it enough to know if there are other ways.
The paper "Monster Mash: A Single-View Approach to Casual 3D Modeling and Animation" is available here: https://dcgi.fel.cvut.cz/home/sykorad/monster_mash
Web demo - make sure to click "Help" and read the instructions: http://monstermash.zone/#
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