{
  "format_version": "1.8.0",
  "render_controllers": {
	"controller.render.block": {
		"geometry": "Geometry.block",
	 "materials": [ { "*": "Material.UP_box" } ],
		"textures": [ "Texture.transparent" ],
	 "ignore_lighting": true
	}
  }
}
// use Texture.transparent to disable
// use Texture.UP_box to enable