The petals are not shown. The area under the trumpet has been bulked-up significantly to hide the sensor board.

2 of the images of semi-transparent so you can see the actuation mechanism and how the Teensy is positioned. The 6 wires from the main sensor board need to fold under that Teensy, or retract into the base, which is why I think the Teensy should be as flush mounted to the sensor board as possible.