Keltie, How about making your own. There are some really good ones on TM. I made a trial one which has been on a year now, from aluminium. It cost me about 60 euros in materials. I'll post a photo in Morgan photo's for you.
Sorry Keltie ,I keep trying to post a small photo for you but file manager will not accept it and it is not too big either so I don'y know what is going on. I'll try another day. .