Imagine a public space where graffiti artists are encouraged to pick up spray cans and cover ... West Coast with a quarter-mile long art wall where artists can paint for a small fee, Lujan said.

Within minutes, the space filled with bold streaks of color as artists created their own works. Rust-O received feedback from ...

Luckily, [Niklas Roy] has come up with the solution to this problem; the Graffomat, a spray can plotter. The Graffomat is, in its creator’s own words, a “quick and dirty graffiti plotter.” ...