i think the 2D equivalent to a 3D printer is not a regular printer, but a plotter. and there's a fairly robust community around hacking pen plotters. for eg,

i think the 2D equivalent to a 3D printer is not a regular printer, but a plotter. and there's a fairly robust community around hacking pen plotters. for eg, https://github.com/beardicus/awesome-plotters https://github.com/beardicus/awesome-plotters