I've looked into CNC machines for a few days and I'm really amazed what people build these days.
If you just want to draw, perhaps something like this might work too: https://www.youtube.com/watch?v=euMkoUePxog
Also DIY machines like the Phlatbot can be modified to work with just a pen:
https://www.youtube.com/watch?v=Nj701D6zrNI
If you just want to draw, perhaps something like this might work too: https://www.youtube.com/watch?v=euMkoUePxog
Also DIY machines like the Phlatbot can be modified to work with just a pen:
https://www.youtube.com/watch?v=Nj701D6zrNI