As I had an exhibition coming fast, I decided that I needed something more resistant so ... here is the result :
It doesn't resemble to anything but it's not a problem. 80cm of electric wire, carefully bent and here I am, perfectly stable, solid and almost invisible easels. The only problem may be the color but I had some red wire and no time to go and buy some other.
And, as I'm a very gentle guy, here is another cadel letter, this time it's an L.