I love my evilmadscientist axidraw but honestly they are a bit pricey. There are several chinese knockoff kits to be found on alliexpress/banggood/etc that work

I love my evilmadscientist axidraw but honestly they are a bit pricey. There are several chinese knockoff kits to be found on alliexpress/banggood/etc that work very well. There are also a few interesting 3d printed projects to be found on thingiverse and in the greater maker community. I've built a midtbot, fun little project if bart has boards available (https://www.thingiverse.com/thing:2587684 https://www.thingiverse.com/thing:2587684) and I've got the full BOM and have printed most of the parts for a modest sized d.i.d. plotter (https://www.thingiverse.com/thing:3789969 https://www.thingiverse.com/thing:3789969). Also don't discount polar style hanging plotters they can be tricky accuracy wise due to sway, which i've seen countered both by decreasing plotting speed and by working the potential sway into your design. Just a quick search turned up this https://www.hackster.io/fredrikstridsman/stringent-the-15-wall-plotter-d965ca https://www.hackster.io/fredrikstridsman/stringent-the-15-wa.... You can start small like that and then improve components along the way. Swapping the string for beaded cord or timing belt etc. They are patricularly interesting drawbots because if you want to plot a larger area you can just spread out the motors and add more string.