an early view of our frame- the worm gears have been installed,
but we are sill working on the track along which the scanner will move:

building the track gears:

progress made on the tracks:

two of the alternate possibilites we considered using as the stippling mechanism:


the model we eventually chose for the stippling mechanism:

one of the designs for orienting motor a which operates the side tracks:

preliminary designs for motor b and the sensor mount:


the different designs we tried for the scanning mechanism:





the final design for the scanner with the stippling mechanism attached:




building the four braces to support the upper platform of plexiglass:
