In the whole design there is a locknut piece for the Z-conduit and tool mount platform. This is designed for a 2.35 ID conduit since the most common is 1.5mm thickness one. I have found 3mm thickness conduits which gives a 2.5 OD and 2.2 ID. If there is a possibility to add such a piece it might be useful for other people that might want thicker conduits for bigger cutting area. I hope at least i explained my request better this time, excuse my english are also rusty.
thanks in advance for reading and replying to my request.
Again.... GREAT PROJECT!!!! thanks for sharing