Its 9 feet hight with 150 hold 2mm wide drilled ever 1.5mm in staleness steel.
This is the 3rd attempt Making a rubens Tube at TOG, Dublin. Credit: Namit & Liam
Rubens tube dancing to electro
One very important thing I learned when building this and drilling such small holes cool your bit as much as possible otherwise you will end up spending a lot on bits that you do not want to.
Updated video from social night: