quote [ Crocotile 3D is a tile-based modeling editor. You can import tilesets and select tiles from the image to place into the 3d scene to construct environments, objects, characters or anything else you can imagine. ]
Some kind of 3d pixel painter that's easy to use with a Minecraft vibe.
Check out the demo video in the extended, jam 1 & jam 2 plus more creations.
Thumb via waterfall how-to.