Sorting axles automatically

Sorting large amounts of technic parts is usually boring, but some technicians use to make this work much easier, like the PIN SORTER of Itchy4000 or this astonishing machine made by Akiyuky, casually mentioned in the previous post, this machine is able to classify and sort all existing axle lenghts, all with only one LEGO PF XL motor and as usual a clockwork precision and smart engineering.