You can 3D print this tactile graphics slate

&#xA; &#xA;&#xA; &#xA; Most Braille embossers can produce low-resolution tactile graphics by reducing the space between adjacent lines and character cells, making it possible to emboss continuous lines of dots. But designing these graphics is a tedious process because you get no incremental tactile feedback until you emboss them. It would be nice to have something more tactile to work with when…