Looking for a creative project to occupy a rainy day? This custom Sharpie mug project is just the thing! It makes a great ...

Also check out [Chris]’s other servo based robotics tutorials like the Sharpie Spotifier and the Wooden Menace. There is also a video of the eyebrows in action after the break.

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 ...