Tight fit for 3mm nut and bolt, print in different colors to help determine visually what length of screw you are using.
Not sure why Fusion Model has a small tab in the “Top” portion, but this does not print when sliced.
I used some E6000 glue to keep the 3mm screw in place to the top, it is a tight fit, but they will come out if not glued.
The author marked this model as their own original creation.