Anycubic Chiron Y Axis Linear guide mod

This is a drop-in improvement for the Anicubic Chiron Y-Axis carriage. I decided to design a roller wheel-to-linear axis modification that did not require the changing of end stop positions, packing the heated print bed or reduced the available print volume.
I am happy to say that this modification does not affect the original design of the printer in any way so that all print dimensions are still the same and the automated leveling is just as as it was meant to be.

In order to produce a drop-in replacement for the Y-axis sub-carriage, I designed a new sub-plate to attach to the linear rails. The sub plate is 3mm aluminum and can be cut with home tools using a print of the DXF drawing as a template. I decided to have mine laser cut for a nominal cost. Once I had the new plate the rest was simple matter of dismantling the printer heated bed and removing the two 2040 extrusions that hold the roller sub-assembly for the heated bed.

Once the two 2040 extrusions are removed the li