The file 'Z Axis Guide For Ender 3 3D Printer Model' is (stl) file type, size is 4.9KB.
In this remix, I joined both original pieces, extend one 0.05mm and fill the holes for screws. Fits nicely in my printer. Need to file a bit the hole for the Z Axis. The knob is this one https://www.thingiverse.com/thing:4883152
ZAxisGuideEnder3.stl | 25.4KB |