HI...I HOPE YOU WILL LIKE PROJECT...THERE ARE A 6 LOW-ENERGY HOUSES OF FIRST COMBINATION AND 6 OF SECOND AND ONE RESIDENCE-BUSINESS BUILDING WITH 20 FLATS. OTHERWISE...THIS IS MY FINISH WORK IN HIGH SCHOOL (CROATIA). ALL GROUND PLANS ARE MADE IN AUTOCAD. 3D MAKE WITH SKETCHUP AND LUMION.