My plans, which are remixed from an Arduino container by Zygmunt W., are available here: https://www.thingiverse.com/thing:2802290 Build...

I have begun to 3D print components for a CNC pen plotter. If all goes well, it will be able to create a drawing up to approximately 25 x...

An Arduino board seems to be a pretty straightforward, affordable option for driving the plotter. For this build, I am using a Keyestudio...

A little inline gearbox for reducing RPM and, hopefully, generating a little more torque. To be laser cut and 3D printed. Designed in...