Hmm... well, if I had a basic design reference there's a good chance I could do something with it. Not for free, unfortunately, as I'd need to recoup the cost of materials and I rather like eating, but feel free to contact me if you're interested in commissioning one.

And precisely --- since they're usually shaped like horses, you can usually imagine it as a... bizarrely unusually agile horse jumping over the other units. Though, they also move in an L shape rather than a straight line, which makes them a bit odd.