Eucalyptus: User Controlled Lightpath Enabled Participatory Design Studio* Jemtrud, M., Brooks, M.F., Ho, B., Liu, S., Nguyen, P., Spence, J., and Spencer, B. October 12-15, 2006 * proceedings of The Association for Computer-Aided Design in Architecture (ACADIA). October 12-15, 2006. Louisville, Kentucky, USA. NRC 49323. Copyright 2006 by National Research Council of Canada Permission is granted to quote short excerpts and to reproduce figures and tables from this report, provided that the source of such material is fully acknowledged.