Rasp Burr Finish Experiment (Porting)

Initial attempts: on 6061 aluminum plate:

Side to side burr pattern
81EA453F-00D6-40FA-84F4-A4656877A5DD.jpeg

45° Cross hatch pattern
CA28C91D-8CD8-4E98-9B4C-7766C90A6C61.jpeg

Random Circular or Scatter pattern:
E480C9A3-BD61-4BE8-8011-55B7099AA11D.jpeg