Board Thread:Questions and Answers/@comment-89.164.197.19-20141227191100/@comment-25225066-20141228020539

Yes, but we are talking circle blocks. That is probably possible, but then the door is only 1 block tall. For the door to be 2 blocks tall, it would have to also be 2 black wide. And it would be wierd to have a 2 block square swinging door.