Digital maquettes. Experimentations in progress. L I G T H A N D T R A N S P A R E N C Y A U R O R A V A L S No.2 (Icelandic) I N P R O G R E S S E A R S M A Z E P E R M U T A B L E S C R E E N S R H Y T H M B L A N C H E V A L S E No.1 T R E E S P E I R A W H I T E O N W H I T E D I F F R A C T I O N