Threadless Warehouse & Headquarters As befitting the design-focused company, which elevated T-shirt art by building an online community that seemed to print cotton tees and cash in equal measure, Threadless calls this colorful warehouse home, which features art from locals such as Don’t Fret. Photo 5 of 14 in Open House Chicago: The City Behind Closed Doors

Open House Chicago: The City Behind Closed Doors

5 of 14

Threadless Warehouse & Headquarters

As befitting the design-focused company, which elevated T-shirt art by building an online community that seemed to print cotton tees and cash in equal measure, Threadless calls this colorful warehouse home, which features art from locals such as Don’t Fret.