Hi! I own an 17x17 Kostiner 4-blade easel which I really like, and I got it for close to nothing which makes it even better. But, after using it for some time I've discovered that one of the blades isn't straight, but slightly curved. This limits the worth of the easel, especially when printing big. I can skip using this blade but I'd like to have a fully functional easel... Do you think I can find a replacement blade today? From where, and at what cost? I live in Sweden (Europe) if it makes any difference.