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           _    _      _____   _    _     _____   
    ___   | || | ||   / ___// | || | ||  |__  //  
   /   || | || | ||   \___ \\ | || | ||    / //   
  | [] || | \\_/ ||   /    // | \\_/ ||   / //__  
   \__ ||  \____//   /____//   \____//   /_____|| 
    -|_||   `---`   `-----`     `---`    `-----`  
     `-`

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Text this: Flow visualisation for bench top wind tunnel