Mapping perceptions of a public place requires a series of informed conversations. In this example a unique sculptural kiosk was set up on site in the Market Square in Preston. The kiosk was a temporary structure designed to stimulate curiosity while presenting an open and inviting working environment. By using computer graphics, back projected onto the structure, the action of drawing a 3D computer model of the site and surrounding buildings became an interesting visual image with which to catch peoples attention. Passers-by noticed this and wandered round to see the artist working at a laptop computer, an ordinary enough activity that most people felt comfortable initiating a conversation. A few open questions and opinions flowed and were recorded on site. The resulting opinions and model informed plans for future development of Preston's central square.