Geeetech GT2560 controller case

I have this case in use for a view years now and it shows on the pictures because it has collected a lot of dust :-).

At the time I wanted to make a case that wood keep my controller and drivers as cool as possible. Also I wanted easy access to the components for trouble shooting.

Good cooling I tried to achieve by making 4 sides of the case of aluminum that absorbs the heat easy. The bottom of the case is made of an giant heat sink from an old elevator motor drive. There is a lot of empty