Fender® Custom Shop Guitar 2012 Mini Wall Calendar. This mini square format wall calendar features guitars produced by Fender, one of the best known instrument manufacturers in the world. Fender is renowned for their custom guitar designs and this 2012 wall calendar features of these stunning designs produced by the company to take fans of these guitars through the coming year. Although compact in size, the calendar features full sized grids with plenty of room for your own dates and notes!