No problem! it's made for that! :) Cool experimentations!
Don't hesitate to use the free MagicVoxel!
It's a fabulous tools very ergonomic for anything 2D, 3D in seconds!
Artvoxel but also with the render mode some funny explorations! (Stereographic projection)
You can of course import your Moi3D objects as format OBJ !
You can see my little site for a speed overview! :) https://moiscript.weebly.com/magicavoxel.html