box.swift

        // Scene view setup
        sceneView.autoenablesDefaultLighting = true
        sceneView.allowsCameraControl = true
        
        let scene = SCNScene()
        let rootNode = scene.rootNode
        
        // Box
        let boxGeometry = SCNBox(width: 1, height: 1, length: 1, chamferRadius: 0)
        let boxMaterial1 = SCNMaterial()
        boxMaterial1.diffuse.contents = UIColor.redColor()
        let boxMaterial2 = SCNMaterial()
        boxMaterial2.diffuse.contents = UIColor.blueColor()
        let boxMaterial3 = SCNMaterial()
        boxMaterial3.diffuse.contents = UIColor.orangeColor()
        let boxMaterial4 = SCNMaterial()
        boxMaterial4.diffuse.contents = UIColor.greenColor()
        let boxMaterial5 = SCNMaterial()
        boxMaterial5.diffuse.contents = UIColor.magentaColor()
        let boxMaterial6 = SCNMaterial()
        boxMaterial6.diffuse.contents = UIColor.cyanColor()
        boxGeometry.materials = [boxMaterial1, boxMaterial2, boxMaterial3, boxMaterial4, boxMaterial5, boxMaterial6]
        for material in boxGeometry.materials as! [SCNMaterial] {
            material.doubleSided = true
        }
        let boxNode = SCNNode(geometry: boxGeometry)
        boxNode.position = SCNVector3(
            x: 0,
            y: 0,
            z: -1)
        rootNode.addChildNode(boxNode)
        
        // Camera
        let camera = SCNCamera()
        camera.zNear = 0
//        camera.orthographicScale = 1
//        camera.usesOrthographicProjection = true
        let cameraNode = SCNNode()
        cameraNode.position = SCNVector3(
            x: 0,
            y: 0,
            z: 0)
        cameraNode.camera = camera
        rootNode.addChildNode(cameraNode)
        
        sceneView.scene = scene
        println(view.frame)