Hinge and fastener

After seeing [this](https://www.thingiverse.com/thing:2808979) and [this](https://www.thingiverse.com/thing:2163589) fantastic projects to bring some joy to sick children, a group of makers in Zaragoza decide to replicate for local hospitals.

[Pepo Jiménez](https://www.thingiverse.com/kurioso/about), from Madrid, and [Pablo Rubio](https://www.thingiverse.com/pablorubma/about), from Zaragoza, printed both designs and showed them to medical personnel, who told them that the boxes should be big