Sadie Hamm threw herself into Pittsburgh and launched the Instagram account, @PGHastrology, which is followed by more than 10,000 people.

The "bespoke bowtie studio and showroom" is celebrating 10 years in business. Now founder Nisha Blackwell is being recognized ...

Knotzland founder and owner Nisha Blackwell at her Wilkinsburg shop at 303 S Trenton Ave. Photo by David S. Rotenstein.

Nisha Blackwell points to an “origami bowtie” in a box of bowties for sale in Knotzland. Photo by David S. Rotenstein.

Nisha Blackwell stands next to the vintage display case she got from Hot Rod Piercing. Photo by David S. Rotenstein.

Knotzland occupies a Wilkinsburg storefront. Before Kntozland, it housed a used furniture store, a mosque and for many years was U.A.W. local. Photo by David S. Rotenstein.

Nisha Blackwell at work inside Knotzland’s control center. Photo by David S. Rotenstein.

Nisha Blackwell at work inside Knotzland’s control center. Photo by David S. Rotenstein.

Justin Starr, left, endowed professor of advanced technology at Community College of Allegheny County, calls the college’s robotics program “world-class mechatronics.” Photo courtesy of CCAC ...

Minnesota Opera fabric swatches. Photo courtesy of Corinna Bakken.

The Minnesota Opera Company’s “bowtie box.” Photo by Molly O’Gara, courtesy of the Minnesota Opera Company.