//Block Model
{
	"parent": "block/cube_all",
	"textures": {
		"all": "cbm:blocks/block_test"
	},
	"ctm": {
		"model": { "model": "cube" },
		"face": "cbm:ctm/block_test.cf"
	}
}

//.cf file
{
	"textures": [
		"cbm:ctm/block_test.ctx"
	]
}

//.ctx file
{
	"type": "CTM",
	"textures": [
		"blocks/block_test",
		"./block_test"
	]
}