Submitted by michael on Thu, 01/01/2015 - 16:03 URL http://www.instructables.com/id/LED-Light-Drawing-Pens-Tools-for-drawing-light-… My wife Lori is an incessent doodler and I've played with long exposure photography for years. Inspired by the PikaPika light artistry group and the ... Tags My wife Lori is an incessent doodler and I've played with long exposure photography for years. Inspired by the PikaPika light artistry group and the ...