Text this: Fabrication of paper-based gradient generators.

  _____      ___       _____   _    _     ______  
 |__  //    / _ \\    / ___// | || | ||  /_   _// 
   / //    | / \ ||   \___ \\ | || | ||  `-| |,-  
  / //__   | \_/ ||   /    // | \\_/ ||    | ||   
 /_____||   \___//   /____//   \____//     |_||   
 `-----`    `---`   `-----`     `---`      `-`'