Web to print

Project is create a web2print e-commerce (shopping cart) website where customers can customizing and order business cards, t-shirts using wordpress or some free cms as base platform - designer tool is essential for this plugin. The principal component of the system is the designer tool. Design editor to design printed materials on-line (business cards, postcards, flayers, banners ... *Library of predisgned templates + possibility for customer to download his own file and combine with our template. (e.g. possibility to add own logo, photo or background) *Designs from the editor will be converted to PDF 300dpi for printing. *Possibility for customers to upload their own designs. Files can be submitted in any acceptable graphic formats (e.g. .cdr, .ai, .psd) and will be stored on our server and in customer account for re-orders * After design will be created/uploaded and proofed customer will be prompted to the shopping cart (ex. PayPal), notification about order will be sent by e-mail * Quoting, billing, invoicing, customer login, customer history, e-mail notifications * It should be hosted on our server and we need full source code. NB! I'm open to purchasing any existing/premade packages. Please provide links to similar websites. You must deliver us open system, not encrypted. please only respond if you have experience with developing similar applications. You will need to show examples.