Most of the parts have arrived, and there are a variety of bolts, needles, pneumatic connectors and stepper motors:

The basic layout of the main head for the ProtoPnP has been finished, and all of the main parts for this build have been measured in preparation for modelling the head. The hardest part has been the USB microscope, which has some interesting geometries:

Unfortunately, being caught in the middle of a house move, most of my tools are packed up and out of service. This has been delaying the printing of parts and the electrical wiring of the machine.