Orange poly lactic acid version was in production but one motor in printer has stopped working, 'We're still having delays with this I'm afraid, I have just chased this up again to try and get more of an update on this'.
72 cube version designed....
Step 1: 72 Cube Version
No functioning printer at the moment.
Step 2: Eternal Knot 3D Printed Hollow 21 Cube Lamp
MarkD207 made it!