T-shirt campaign platform

Hi, I am looking for a website like where my clients can go on and upload there t-shirts(other types of appeals) designs(in png images) and to be able to post campaigns like [login to view URL], [login to view URL], [login to view URL] offers. Here's an article on how the tspring website was developed- [login to view URL] similar generic software out there are inksoft and deconetwork. I need this to be very professional and reliable bug and glitch support is a must!