Sorry for my English, im just Russian.
http://codepen.io/Krutoy242/full/xGOgJG/
This converter allows you to open .vox files from awesome MagicaVoxel program and convert them to format for print3d program.
Usage
Download and open MagicaVoxel. Make model of your dreams. Save it.
Open file in my converter written on JavaScript, and it will instantly generate chunks from model and show result, ready to copy-past in OC file for printing.
Converter have options:
Split to states will split your model in two by X coor