Underneath the Lian-Li pc75 case I have mounted a 25mm thick slab of perspex, inside this two 120mm fans are mounted.
Here is the "slab" under work:
very hard to work with but I eventually got it nice looking
Here the fans are mounted and the case partially put together:
Vils really like your set up looks unique and very classy.
I also think the side panel looks gives your system that renaissance touch be intrested to know more about the top bay thermometer it matches your whole theme a treat.
Thanks,
The two top bays are occupied by the reservoir, the thermometer measures the water temp (0-60C). The knob besides it is for the rheostat thats controls the speed of the radiator fans.
I posted it before but it clearly shows the "sleeve" for thermal probe:
The res is filled through the cap on the computer top.