But wanting to add a little visual flair to his prints, [Devin Montes] came up with a simple 3D printed mount that holds the tip of up to three Sharpie permanent markers against the filament as it ...

and today Sharpie offers a wide selection of permanent markers, pens, highlighters, and more for the classroom, the office, and at home. Having perfected the permanent marker, Sharpie has gone on ...