Smart 451 Gear Shift Knob

The original shift knob drove me mad for two reasons.
First the automatic-button was such loose and weak it always triggered the switch more than once. Each time using it I had to look at the display and check which mode was activated.
Second -plain and simple- it just struck me kind of out-fashioned...

Print those parts as shown in the screen-shot.
A few supports will be neccessary to your printers setup und likings.
The pin is to be glued into the button with a product of your choice, I used some cyanacrylate.
The pin is kind of longer as needed, you would have to shorten it fitting to the micro switch at the shift-rod.
The "C" and the "triangle" on top of the lid are to be glued to the lid with something of your choice.

The ring and small "button" are just for centering the lid onto the top part.
Although designed with reasonable give it could be tricky to put tose parts together for
the unavoidable "elephants foot" at the first layers. I used a little (little and sh