The Z motor was mounted on the bottom of the printer and stuck through close to the back panel. Two other bars guided the heated bed to prevent the bed from moving when the motor turns. After the bed had been mounted, the material feeder was the last thing that needed to be built. Once put together, it was mounted on the outside of the back panel, right next to where the plastic would hang.
The Z motor in between the Z axis bars. The heated bed will move down as the printer prints.
The material feeder has a screw on the left side that controls the pressure on the plastic as it travels through and the motor connected to the feeder controls how fast the material is pushed through into the extrusion head. A white tube was put around all the wires to keep them together.
The heated bed has knobs to adjust the height of the bed and distance from the nozzle.
The material feeder mounted to the back of the printer with blue PLA plastic feeding through.