The openings for tipis were mostly just a slit where the two sides came together and the door cover could have been an old piece of leather or fur to keep out the weather. As time went on, you would see the more tailored or rounded door opening. This also brought about the rawhide covers with the colorful paintings. Today there are some very tailored doors and openings meant to keep out the worst of rains. Many have special flaps to keep water from running between the door and cover.
Pictures are of different styles, makers and time periods.
When remembered, owners and makers are given. Owners names are in bold print and makers are in Italics. Rick Patterson Four Winds Trading Co. Flaps above door opening. These go over the door itself to shed rain and keep the water from inside. Wood Darry Wood tipis come with a very tailored opening and door.