As I lost the cover of the charger port of the brompton electric battery, I made this new one that fits perfectly (better than the original). I printed it in saintsmart TPU on a Prusa MK4.
The model is designed on Onshape and accessible here:
https://cad.onshape.com/documents/0cb13f8791df4242966178d2/w/943a3bc1c6906bc4631c5779/e/0f51385bc491461f37e70d07
The author marked this model as their own original creation.