Summary

I had lots of wires running out of my Smartrapcore Alu Ramps box, so I made a big fan duct who hides thoses wires and blows air to the Ramps from a 80mm fan.
Ramps box is a common one, you will find lots of models on Thingiverse, and LCD mount is this one :
https://www.thingiverse.com/thing:1892226

Power supply (a classic computer power supply) is now hold inside 2020 profiles with 1 "equerre" and 2 "double coin" parts.