There are enough off-the-shelf CoreXY mechanisms out there that for the cost of an AliExpress order it’s possible to quickly and cheaply make yourself a plotter. But [Koushani Das], [Mahathi ...

For anyone looking to succeed with their own CoreXY build, this thoughtful critique will keep us away from stray design paths. [Mark’s] blogpost centers around the xy-stage of his UMMD printer.