You can attach a Thiers blade to your Knife shaped Key Organizer (https://www.youmagine.com/designs/knife-shaped-key-organizer) if you replace "key holder 2 .stl" with "key holder 2 LeThiers.stl" and "blade clamp.stl". You can buy the knife at (http://www.lagrandecoutellerie.fr/en/92-thiers-liner-lock-pocket-knife-small-size-3700512010432.html#/engraving_clip-no). Check also their website (http://www.dozorme-claude.fr/en/) they have great products.