Above Free Kitbash for free MagicaVoxel by Hifoo
Not reasonnable to input the entiere modules (15 above) inside Moi! (_import OBJ) and no need to subdive here...
Faces are triangulated so use Blender first for have something like NGons...just stay very few "triangles"
And some pieces are really detailled!

Here just 2 modules (2 minutes for importation)