bike frontlight switch housing

My brother wanted to be able to switch off his bike front light which was always on when he was driving.

Solution: a 2 way switch (e.g. https://www.conrad.de/de/schiebeschalter-30-vdc-035-a-1-x-einein-knitter-switch-mfs-131d-1-st-705737.html -> should not be advertisement for this company) cable cutter, a little bit solder, a hot glue gun, two little screws and this 3D printed housing.

Modeled a snap mechanism to put the two parts together. There is a mold on each housing part where you ca