Situated sketching and enactment aim at grounding designs in the spatial, social and cultural practices of a particular place. This is particularly relevant when designing for public places in which human activities are open-ended, multi-faceted, and difficult to anticipate, such as libraries, train stations, or commercial areas. In order to investigate situated sketching and enactment, we developed Ebauche. It enables designers to collaboratively sketch interfaces, distribute them across multiple displays and enact use cases. We present the lessons learned from six situated sketching and enactment workshops on public displays with Ebauche. And we present the results of a controlled study with 8 pairs of designers who used paper and Ebauche. We present the various ways in which participants leveraged the place, and how paper or Ebauche influenced the integration of their designs in the place. Looking at the design outcomes, our results suggest that paper leads to broader exploration of ideas and deeper physical integration in the environment. Whereas Ebauche leads to more refined sketches and more animated enactments.