[Symon] wanted a plotter and decided to make one from scratch. Truthfully, he wants to build a CNC machine, so the plotter is just a stepping stone. In fact, some of it may be a little much for ...

And now, not only does OP deliver with a working CNC plotter, he also plans to develop it into a self-replicating machine. To be honest, we made the challenge with tongue firmly planted in cheek.