Interesting build, Note that this build is on wheels and moves around. Basically it prints out wax so that when the cloth is put into dye, the wax keeps the dye off and presto, you have a pattern. Took me a bit to figure out the wheel driver is a geared stepper motor.
github
https://github.com/eumorpurgo/TextileDrawingMachine/blob/master/BuildTheMachine.md