How do you put a tent in a wall without a frame?

What is an angle kit for a tent?

Wall tent angle kits are made of 1" steel conduit commonly called EMT (electrical metal tubing) available at all hardware stores. Internal tent frame shipping charges are very high due to the weight of an internal frame. No tools required to assemble conduit tent frame.

How do you measure a wall tent?

https://www.youtube.com/watch?v=ZTDpnUOwAjA