Derby the Dog Can Now Run Free Thanks to His New 3-D Printed Legs Derby's unusually small forearms kept him from playing with the other dogs, until he received a pair of robotic legs that lets him keep up with his friends.

By Laura Entis

Opinions expressed by Entrepreneur contributors are their own.

It doesn't get much more heartwarming than this: Thanks to 3-D printing technology, a dog can now play with his friends.

Derby was born with deformed front legs that prevented him from walking. When his original owner could no longer take care of him, he was taken in by Peace and Paws dog rescue. That's when Derby struck gold: Tara Anderson had read about Derby's story, and agreed to foster him.

Anderson ended up doing a lot more than that for the pup. An employee at 3-D printing company 3D Systems, she first tried to increase his quality of life by harnessing him to a wheeled-cart. It worked pretty well, but still "limited his mobility in terms of being able to play with other dogs," she explains in a video. "It's not really the full motion of running."

Related: Hasbro to Let Fans Design 3-D Printed My Little Pony Art

And so Anderson got her colleagues involved. Along with Derrick Campana, an animal orthotist, two of 3D Systems' employees scanned Derby's legs and designed Derby-sized cradles and blades.

"The great thing about using 3D technology in Derby's case is having these images on file on a computer and being able to print them is a lot quicker than having to hand-sculpt every mold and rebuild these braces five, 10 times," Campana says in the video.

By this point, Derby had found permanent parents in Dom and Sherry Portanova, and his new prosthetics were shipped to the couple.

He adapted to the robotic legs right away. "The first time he was put on them, he took off running. He was just so happy," Sherri says in the video. "I was absolutely amazed at how well he did."

Related: From the Sustainable to the Flexible to the Edible, We Explore the Possibilities of 3-D Printing

Now, Derby goes on a daily run with the Portanovas, and plays with the other dogs in the neighborhood, both things he could never do before Anderson came into his life.

Watch him in action in the video below.

Laura Entis is a reporter for Fortune.com's Venture section.

Want to be an Entrepreneur Leadership Network contributor? Apply now to join.

Editor's Pick

Business News

JPMorgan Shuts Down Internal Message Board Comments After Employees React to Return-to-Office Mandate

Employees were given the option to leave comments about the RTO mandate with their first and last names on display — and they did not hold back.

Innovation

4 Ways Market Leaders Use Innovation to Foster Business Growth

Forward-thinkers constantly strive to diversify and streamline their products and services, turning novelties into commodities desired by many.

Franchise

Jersey Mike's Switched Up Its Strategy for Serving Customers This Year — Then Blackstone Bought the Sandwich Chain for $8 Billion

The New Jersey sub franchise has dialed in on strategies to serve customers in stores and online, as proven by its recent acquisition.

Franchise

The One Factor the Top Franchises of 2025 Have in Common

Here's how we determined the companies in our annual Franchise 500 ranking, and what we learned from the data.

Franchise

12 Businesses Share Their Biggest Marketing Wins, From a Social Media Scavenger Hunt to Lovable Mascot

You don't need a huge budget to get people's attention, or win over loyal customers. Sometimes you just need a little creativity.

Franchise

From Dog Grooming to Acai Bowls — What's Making These Brands Grow So Fast?

These five brands rocketed up the rankings of our Franchise 500 this year. Here's why.