Newer version here http://www.thingiverse.com/thing:930828
I can't take credit for the form factor. Got the idea from the Keyport Keyslide. I liked the idea so i designed a version that can take your keys (up to 3) and i called it the Key Slink. You will have to modify your keys (see picture). Prints without support once oriented correctly.
isthan_key_slink_cap.stl | 5.0MB | |
isthan_key_slink_case.stl | 727.6KB | |
isthan_key_slink_case_cover.stl | 303.0KB |