I'm glad to introduce this things.
Welcome~

2016/08/20 dd001_v2 bug fixed don't use dd001_1(z axis weight fixed)

It can scale to 80~120%. size is 122mm/64.7mm.

This carabiner is fashionable, simple and strong carabiner. And carabiner was carried me few minutes. I used this parts "dd001" from http://www.thingiverse.com/thing:1008943
CAUTION don't use this carabiner to climb the mountain or Which it is directly related to life.

Design for general FDM 3D printer print by PLA or ABS material.
No additional support need, easy to print.
Printing time is 1.41 hours(layer hight 0.2mm)

I hope you like this things.