I purchased a penplotter called AxiDraw V3, which is a fine-precision 2D plotter that can be used with any implement at 90˚ and 45˚ configurations. My plotter is refurbished with free ground shipping, and delivered by Auspost Shopmate mail redirection service. It works like brand new.
I am working on a RESTful API for the plotter, using their private beta Python CLI which has a permissive open source license. Watch this space.