CNC enclosures can isolate crucial CNC processes to reduce rejection rates and allow raw materials to be stored inside the same enclosure as the CNC machine. A prefabricated modular enclosure can be designed with removable walls, rollup doors, and other additions for equipment and can be built around existing machinery during production. Adding heat, air conditioning, or digital monitoring devices to the enclosure will enable them to operate properly and eliminate temperature and humidity concerns for high tolerance processes.