Pencil-Bot
I’ve been working on my Painting Robot project which is a bit complex. I decided to break it down and do some similar projects that are simpler. I’ll learn more and probably finish sooner.
Here’s a pencil holder for Pencil-Bot. I’m pretty happy with it.
Old Versions
http://wiki.fablab-nuernberg.de/w/Ding:Plotclock
http://www.airspayce.com/mikem/arduino/AccelStepper/