1405 Simple X Expanded (Single/Double Precision)

An upgrade for the X axis of the 1405 model Printrbot Simple Makers edition.
- Expand the bearings to increase rigidity.
- Move the drive motor to the center to increase stability.
- Required minimum print area for motor mount: 80mmx147mm.
- Multiple BedEnd files have been uploaded for various bed screw widths. Minimum BedEnd required print area will depend on BedEnd used.
- Increase idler bearings to 608 size. Better match for belt width and more common world wide.
- Build in (2)