In an effort to make the DT look as clean as possible in our living room, I want to try and mount a shelf for my GHL doser and upcoming Trident inside my cabinet. I don't trust velcro straps to hold that much weight, and I'd rather not have several hundred dollars of equipment tumble into the sump, so does anyone have any ideas/has drilled the interior of these? Picture below (though I'll be moving the Apex base unit elsewhere so the entire right wall can be used for equipment):