The proportions and standard lengths are all slightly different. For example, standard US fences are 3 feet high, but standard EU fences are 1 meter high. This

The proportions and standard lengths are all slightly different. For example, standard US fences are 3 feet high, but standard EU fences are 1 meter high. This is a noticeable, but not striking difference. It's like using letter paper format instead of A4, it also feels a little odd to me.