I have done this before exactly how you've described it - the cakes are normal shape and size, it's just the separators that are cut at an angle.
Thanks S, would you have used poly fake tiers or is there anything else you think would work better?
I used polystyrene cake dummies as they are lightweight and strong.
Mine would fall over....lol
Thanks! I built it on site and had a dowel all the way through the tiers, so fairly sturdy!!