Quentin Tarantino by a New York mile . <| sep |> I never got that women part , how will this affect women ? <| sep |> Yea , we can get decently straight tubing lengths up to about twelve feet . The first thing you really need to know is how straight you need it to be over what distance , bow is more prominent on longer pieces . The easiest way to check for bow is a nice flat surface like a surface plate . Depending on how long your pieces are , that could be a long , expensive , plate . Mark orientation of the wire as it comes out of the machine so you know which rollers to adjust then you can roll it on the surface plate to check for bow . The exact details of adjusting the rollers varies , I ' d fiddle with it yourself for a while if your planning on writing a setup instruction or want to train people .