Test prints of black and white imagery a way to make 3D textures directly from 2D images special thanks to the information in this: http://www.instructables.com/id/3D-Printed-Photograph/ to eventually get to this: http://www.springwise.com/3d-printed-kids-books-enable-blind-readers-visualize-story/ or this: http://3dprint.com/6823/3d-print-book-blind/ http://www.tactilepicturebooks.org/ The plus: these prints are crazy fast with minimal use of material