Small Pet Harness Kit

Update 4: Rufus is now 17 weeks old and weight about 35 lbs. This harness is still functioning well even through leash training (which includes a lot of pulling and correction, and the buckles are still showing no signs of wear). I am about to just a new strap of webbing because the old one is now too short. I'll keep you updated on how long and far this set-up works on a yellow lab as he grows up.

I have a new Puppy. He needs some kind of restraint, and I feel like a collar is not good for his neck. The green webbing you see in the photos is on sale at Amazon, and the D-ring is cheap at Hobby Lobby. I found several buckle models here on Thingiverse, and I used them to create this model of a 3-way buckle with slip-locks. It's worth giving full credit to Thingiverse contributor "salman272885." His original Thing was instrumental in my making this 3-piece buckle:

https://www.thingiverse.com/thing:6374727

The models here include:
- the assembly model, which you should not