Infinite-bed 3D printers have long been an object ... so if you hanker for a Creality CR30 but only have the cash for an Ender 3, [Michael Sgroi] may have the project for you.
It’s taken years to perfect them, but desktop 3D printers that uses a conveyor ... His open source modification for the Ender 3 Pro turns the affordable printer into a angular workhorse.