The following models are provided by the official github repo of voxel-model format by MagikaVoxel developer @ephtracy

GitHub official repo: https://github.com/ephtracy/voxel-model

 - chr_knight.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/character/chr_knight.vox
 - chr_sword.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/character/chr_sword.vox
 - monu9.vox - https://github.com/ephtracy/voxel-model/blob/master/vox/monument/monu9.vox
 
Worth mentioning there is no license specified for the models yet: https://github.com/ephtracy/voxel-model/issues/22