For those not aware , Pierre Sprey was one of the great Col . John Boyd ' s Acolytes who were huge in promoting the concepts of maneuver warfare and 4 th Generation Warfare in the Armed Forces . You may not have heard of Boyd , but the man did more than was ever asked of him and created a legacy that has saved God knows how many lives through strategic and tactical approach improvements and more tangible things like the A 10 . He was likely the architect of the US strategy during the first Gulf War and a huge proponent of what could be described as a legitimate thinking man ' s approach to the military and military operations . <| sep |> Significantly better , it also has auto bed leveling . That said , it isn ' t 2 or 3 times the printer the maker select is unless you ' re constantly printing to the edges of your build plate which massively increases the amount of bed leveling that needs to be done or are going to use the multi extruder option . I ' ve got a i 3 mk 2 on order to complement the maker selects I already have for what it ' s worth .