Ah I see. That's cool. I actually made a procedural version of that a while ago:
https://filethirteen.github.io/game-folio/mesh-slicing-demo/index.html
I been meaning to clean this code up for use, and it would be kind of cool to use it to create different procedural destruction stuff like wood breaking or ice shattering.
Perhaps something about my space was set too high. All the other cards were accessible though.