Single Colour Pad Printing Machine is a unique printing process used for transferring 2-D images onto 3-D objects. Like the name, this technology utilizes a silicone 'pad' to essentially pick up an image and transfer it onto a designated object. Single Colour Pad Printing Machine is an indirect offset printing, or photogravure, a process that is used to transfer a 2-D image onto a 3-D object via a silicone pad.