This is simple remix of Key Holder by cdms.

I did not like the eyelet.
Keyring can make a pivot for keys too. :-)

UPDATE

I uploaded V2 of the Key Holder that is 5mm longer. The bridge that the keys rest on is also shifted by 5mm from the eyelet to accommodate for keys with bigger bow.

Print instructions

Category: Keychains Print Settings

Printer Brand: RepRap

Printer: Prusa I3 MK2

Rafts: No

Supports: No

Resolution: 0.2

Infill: 100%

How I Designed This

Simple open scad programming. File attached.