• https://cdn.bootcdn.net/ajax/libs/three.js/r30/Three.js
• https://cdn.bootcdn.net/ajax/libs/three.js/r30/Three.min.js
• https://cdn.bootcdn.net/ajax/libs/three.js/r30/ThreeDebug.js
• https://cdn.bootcdn.net/ajax/libs/three.js/r30/ThreeDebug.min.js
• https://cdn.bootcdn.net/ajax/libs/three.js/r30/ThreeExtras.js
• https://cdn.bootcdn.net/ajax/libs/three.js/r30/ThreeExtras.min.js