Understudy, a project operated and funded by the Denver Theatre District, debuted last October as 700 square feet of unfettered creative experimentation, offering free, short, changing residencies in a dedicated nook of the Colorado Convention Center. Since then, we've seen musical collaborations, art installations, art discussions, new models in art marketing, hands-on activities and, ending March 30, "The Little Chapel of Our Holy Motherboard," an interactive device stoked with digital animations poking fun at the deification of 21st-century technologies. It's the kind of place where you can slip in and out during lunch hour — or spend hours chatting with Denver creatives.