The people in my home improvement store my believe I am totally off. Day by day I drop by and buy some stuff that never will fit together in the conventional way. Example: 8pc 45deg 32mm elbows and a 2m long 40mm pipe, topped with a round furniture slider (for a VFO knob) and some lengths of loudspeaker cable. Hmmmmm ;-)
Oh well, this is what the 2m long 40mm drain pipe is for: