The recent acquisition of the DSO meant that the power supply on the right (which used to run right across the back had to be remodelled into more of a cube, thank goodness for Lego :)
In all it's glory, it may look a mess but I know where everything is. Yes, that is a wall mounted 'open air' PC. Again, you will see a lot of Lego used here.
Details of some of the tools used are shown here...
A few years ago I decided on early retirement.