Grimslid also built his own printing press. The centerpiece of his studio, the machine, took about $7,000 in materials to build.

The 17-year-old transformed her small room in Silver Spring, Md., into a makeshift art space, with the materials for her homemade printing operation strewn about.

It’s widely accepted that the invention of the printing press by Gutenberg in the 15th Century was the event that essentially enabled the development of the modern world, allowing access to k… ...