Text this: Measurement of micro-channels with confocal microscopy

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