Open Voxel File Format conversation going fairly well for this sort of open niche discussion.
I'm hoping we're closing in on a simple binary voxel data representation:
https://github.com/enkisoftware/OpenVoxelFileFormat/issues/4
I've referenced nprofile1qyt8wumn8ghj7un9d3shjtnyd968gmewwp6kytcqyqah3dj5fmuqmwv4ndu8fcvnxkhvdzlhjs3vfk2efj7tre95xl2qjhln4pf (nprofile…n4pf) for his Roblox voxel data description and Mesh Optimizer, along with nprofile1qyt8wumn8ghj7un9d3shjtnyd968gmewwp6kytcqyp3xlnmh8u0g679pczdcu2fcp3amstu48xfywgh3r2hma4sjxf0wc55fnpd (nprofile…fnpd) for his article on using Mesh Optimizer to compress arbitrary float data. My thanks to both.