CCNC 2016 Mark Benson
These printed parts are still a work in progress.
The Gondola updated to be a push fit for the pen holder. The idea is you can print a bunch of pen holders and load up your pens to enable quick colour changes. Current version is untested so I can't verify the fit is good.
The feet and pulleys work well.
The feet use 25mm dia broom handle from Homebase (http://bit.ly/1ogU4DD) and the slot is made for 12mm thick, 610 x 1165 board (also from Homebase).
The pulleys use ball chain (http://bit.ly/20xqx43), also from Homebase.