Adjustable Stop X Carriage - Max Micron and other Prusa i3

*September 21, 2017 - version 4.1 uploaded. Added nuts and bolts to hold bearings more securely. found over time that the plastics would stretch and loosen up allowing for wobble and even release of the bearing. took months to happen, but why have it happen at all right? simple M3 nuts and bolts. frame is molded to hold the nut in place so no reaching over to get a wrench on it. other very minor size and shape differences. *

*April 1st 2017 - Version 2.5 uploaded. Some minor editing done t