• https://cdn.bootcdn.net/ajax/libs/paper.js/0.12.8/paper-core.js
• https://cdn.bootcdn.net/ajax/libs/paper.js/0.12.8/paper-core.min.js
• https://cdn.bootcdn.net/ajax/libs/paper.js/0.12.8/paper-full.js
• https://cdn.bootcdn.net/ajax/libs/paper.js/0.12.8/paper-full.min.js