My kids have been watching wall.e alot the past few months Wich is we're the idea came from.All parts are 3d printed that make up wall.e cooling is all 1/2 inch copper straight line that I did my self as I found it gave a more industrial look over clear hard line. Fluid is also dyed a yellow brown updates will come as the paint is finished more as I have time I've had alot of fun with this build and more will be added