Nicole Banowetz does something kind of odd: She makes installations using inflated forms that have given her an easily recognizable signature. It's not like the medium is completely unknown, but it's safe to say that few artists anywhere work in this way, and in Denver, she's cornered the market. Her unusual approach was most recently displayed in Gentle Infestation at Pirate: Contemporary Art, with a unified installation of gigantic shapes that seemed to be abstract but were in fact representational, based on single-celled sea creatures called Radiolaria. Their complex forms were done in white-colored, plastic-coated fabric, with some elements suspended from the ceiling. In places, tiny white porcelain sculptures were visible through transparent acrylic portholes. These little shapes inspired the show's title, but the whole thing felt like an infestation. Big inflated forms are more likely to be used for holiday decorations than for any kind of art, but it turns out that Banowetz was inspired by such things when she learned to make them for the Museum of Outdoor Arts.