Doublewin Brothers LLC sells downloadable 3D model files for designers, architects and 3D artists. Every product on this site is a digital file - nothing is shipped. Our library covers interior and architectural scenes, furniture and product design models, and jewelry design models. Each product page lists the file formats included, the file size and the technical specifications, so you know exactly what you are getting before you buy. Your download link is emailed to you as soon as your payment is approved.