A safe, integrated dye sublimation printer apparatus is disclosed. The apparatus is configured to print one or more images onto a selected product using one or more heating platens to sublimate the image. The heating platen is configured to sublimate one or more opposing sides of a product substantially simultaneously in a single thermal cycle. In some embodiments, the apparatus may be incorporated into a fully-enclosed vending machine to provide on-demand personalized sublimated products and accessories for a consumer.