Text this: Rotation nozzle and numerical simulation of mass distribution at corners in 3D cementitious material printing

  _  __     ___      _____     _____     _____   
 | |/ //   / _ \\   |__  //   |  ___||  |__  //  
 | ' //   | / \ ||    / //    | ||__      / //   
 | . \\   | \_/ ||   / //__   | ||__     / //__  
 |_|\_\\   \___//   /_____||  |_____||  /_____|| 
 `-` --`   `---`    `-----`   `-----`   `-----`