Originally Posted by little_tippler

Another idea is a pen that dispenses paint instead of ink. I made one for myself for my artwork - I needed a device that would make writing with paint easy. It only has one problem, you can't stop the paint running when you want. So it gets messy. Basically I use the outer tube of a pen (discard the inside bits), stick it in a can of paint so the tube fills up then I take it out and stopper the end. When I want to use it I remove the stopper and the paint flows! I love it