1. A method of providing an electronic commercial showplace, comprising the steps of: providing a database ( 254 ) of image data associated with component parts; converting two-dimensional drawings of vendors' component parts to three-dimensional image data; storing the three-dimensional image data in the database; enabling a purchaser to enter image data onto a web site, the image data representing a component that the purchaser would like to buy; searching the database for three-dimensional vendor image data matching the purchaser image data; displaying a matching three-dimensional vendor image to the purchaser on the web site; and displaying vendor information to the purchaser on the web site, the vendor information being associated with the matching three-dimensional vendor image.