Progress on the 3d printer.
This is the cold end of the extruder:

The extruder drive was a pain. I had to take it apart and put it back together a few times.
This is the hot end of the extruder:

The brass screw at the bottom is the nozzle.
I got stuck on the assembly of the hot end. I need a blow torch. (read more) about Progress on the 3d printer.





