Download sweet home 3d for free. an interior design application to draw house plans & arrange furniture. sweet home 3d is an interior design application that helps you to quickly draw the floor plan of your house, arrange furniture on it, and visit the results in 3d.. Sweet home 3d helps you to design your interior quickly and easily: draw the rooms of each level of your home upon the image of an existing plan, change the color or the texture of each room, and. Chief architect software is a leading developer of 3d architectural design software for builders, designers, architects and home diy enthusiasts. for professionals, we publish chief architect