This is a replacement backplate for the Creality Ender 3 S1/S1 Pro Sprite Extruder that moves the CR Touch probe inline with the nozzle on the Y axis producing a zero probe offset.
Many people are having issues with automatic bed leveling on these machines, much of it due to warped rails or other Y axis issues. Moving the probe inline on the Y axis will allow the probe to compensate for these issues and provide a more accurate mesh. This also allows you to probe more of the bed on the Y axis.
x_offset: -46.8
y_offset: 0
You will need two M3 nuts to attach the CR touch. No supports needed.
The author hasn't provided the model origin yet.