Xerox Engineering Systems Ltd of Newbury, Berkshire has an electrostatic plotter called CADmate, for for use with computer-aided design applications on 80286, 80386 and 80486 personal computers; it plots 300 points per inch on 36 paper at a speed of an A0-size drawing in one minute: it accepts HPGL and ADI data file formats, is plug-compatible with HP7586 pen plotters and graphics packages such as Micro-CADAM, AutoCAD and VersaCAD and batch plots can be produced without the need for intevention; drawing size is limited only by the available disk space and the length of roll of the media, which ranges from opaque, vellum, translucent and clear and matt black films.