Lens hood bayonet mount (58mm Lumix)

I created this lens hood mount to be used for storing lens hoods when not in use. This mount is based on the Panasonic Lumix H-FS14140 lens with 58mm filter diameter (actual lens 61.37mm OD excluding the bayonet tabs).

I made this design to be used as a concentric outer ring when printed together with a Micro Four Thirds lens cap:
http://www.thingiverse.com/thing:39854

The merged printed object can store the lens hood together with a little H-H020 14mm pancake lens inside it, saving spac