The PCB is fixed from behind with small sheet metal screws. The ashtray itself has to be cut open to make room for the 3D printed part.
Of course, this model can also be used as a universal mount for the Helix Director.
We generally recommend to use ASA/ABS or comparable heat resistant materials for in-car use. This adapter can also be printed with a large layer height to save printing time.
The author marked this model as their own original creation.