From the outside, the old rec center on a corner in Federal Hill looks the same, the kind of place where kids do arts and crafts, and play basketball.
But over the past five years the inside has been transformed into a hub for coders. Cinderblock walls are painted with blue computer pixels. Laptops, 3D printers and laser cutters hum, and everywhere are the funky, whimsical and practical creations that came straight from the minds of young kids.
