Aww! This is so sweet!
A dog named Derby has "always been the happiest dog" for his owner Sherry Portanova.
And why shouldn't he have been! He was rescued by Sherry from being put down at the pound — a awful thing that would've happened since Derby had underdeveloped front legs.
Luckily Derby's owner was also a director at a 3D printing firm, and with her help they've produced some sweet prosthetic legs for the pooch and they've worked beautifully so far!
Here's how Sherry described seeing her pup use his legs for the first time. She said: