Flatbed plotters use a system where the paper is fixed, and the plotter moves a pen up and down, and left and right to draw the required marks on the paper.

The flatbed plotters measured about 4 by 10 feet, and the huge sheets of BoPET polyester film that are used for the drawings rather than paper are held in place by tiny holes in the flatbed that ...

An Early Flatbed Plotter In the 1970s, this CalComp Model 738 large-format, flatbed plotter was an offline device. Data was delivered to it via magnetic tape. (Image courtesy of CalComp, Inc.) ...

So I bought a used x-y flatbed plotter (Philips 8155) on eBay and a great book by Matt Gilliland, titled Inkjet Applications. I put the two together, to get this nice Latte Art Printing Machine.