I don't like printing more times than I need to so I plated up the chain links and the carabiner for easy printing. There are 8 links 1 large link and 1 carabiner included.
Disclaimer:
Don't be an idiot and use this thing for climbing. Anyone with a significant brain capacity should already know this.
Chain_Links_and_Carabiner_Plate.stl | 1.2MB |