- Flip factory "Rear Bottom 2040" extrusion so cutouts are facing outward to leave a clean face for the "Rear Z Motor Mount (Tri-Z)"
- Factory "Rear Bottom 2040" has a M4 Threaded hole in the center from the bottom plate, this hole needs drilled out to allow a M5 screw to slide though.
- Tap the bottom of the "Rear Vertical Extrusion 2020" and use a M5x40mm screw to attach it to the "Rear Bottom 2040" thought the drilled out hole.
- Mount the "Top Rear Motor Mount 2040" to the "Rear Vertical Extrusion 2020" using the Tri-Z Rear Extrusion Upper Brace's and (4) M5x10mm Screw and Hammer/Roll-In T Nuts.
- Leave screws for the "Rear Extrusion Upper Brace's" loose, you will need to adjust it when putting on the Motor Mounts.
Note: Roll-in T Nuts will make things easier when leaving Screws loose.