I downloaded a 3D model of the standard Y axis end plate. I then added 50 mm to the height of the plate. For those in the US plate can be made from .250" plate. For the rest of the world 6 mm plate would work. I hope to attach a PDF and a dxf comparing the plates.
Y axis long and short.pdf (65.6 KB)
Y axis long and short.dxf (122.8 KB)