MyFishFinder.com Just like iceshanty but warmer
One suggestion is to make it with as sturdy materials as possible (within reason due to weight). Keep in mind you will be pulling it over uneven ground, rocks, logs, etc. Getting it out on the ice and having it break makes the walk back brutal.
Lots of information on this page!https://www.iceshanty.com/ice_fishing/index.php?topic=103927.0