Black&Decker steam mop deluxe (FSM1630) water container hook replacement

My mother bought a B&D steam mop yesterday (https://www.blackanddecker.co.uk/products/home-products/steam-cleaners/steammop-deluxe/fsm1630). She tried to use it but she mistakenly grabbed the water tank, abruptly detaching the plastic hook and breaking it immediately.

It doesn't seem very robust on its own, I figured it breaks off easily for others too. I designed a better one with Openscad, and it's here if anyone is interested.

I uploaded the Openscad script for completeness, but it's no