Sintron Prusa i3 lead screw mod

These files are suitable for use with a Sintron Prusa i3 to upgrade the Z axis to lead screws in conjunction with Thing: 1140733.

After buying a pair of lead screws and downloading the above Thing files I went to fit them and they were very out for my printers frame. As a result I made a new top and bottom piece to move the smooth rod into the correct position for the X axis ends. The top piece completely replaces the original acrylic part and the bottom piece sits on top of the original acry