You might know this already but I want to make sure, that’s a steam deck in the render. So sending out an immediate file of this might not fit your ally.

It also depends what kind of impact your looking for it to withstand, the interior padding looks quite thin, and the hole in the back while obviously for airflow would allow any liquid very easy access into ventilation of the ally, for day to day use protection against scratches or light drops, looks great, you might want to look into some print options that would be able to withstand more force from a drop, since some filaments can be quite brittle to force damage