Used the Hookset of CSD_Salzbburg to smash up an IKEA Skadis version of MD81544's Wera Allen (Hex) Key holder.

Cura says it's not watertight, but it prints perfectly.

Print standing up for better strength and supports-free print

Print Settings

Rafts: No

Supports: No

Resolution: 0.2

Infill: 30