This prints great vertically, but will require supports for the 1/4-20 hole (which must be accurate.
I have only tested this with PLA at this point and would appreciate any feedback.
The Fusion 360 model is attached. If you want to collaborate on the official version, please contact us.
To adjust the TNut length, simple undo the last two extrusions (roll back the timeline) as that adjust the depth. (Steps are named "Shrink to 7/16" etc.)