If you are using paint then you would just get a big blob of red paint. Or if you are using pencil crayons then it would just look like red. It would look like a solid colour. Or if you are using...
When Columbus came to the new world, he thought he had reached the Indian subcontinent of Asia, and so called the natives he found Indians. The natives of the new world were later called red Indians...
because Christopher Columbus wanted to go India but went the wrong way and discovered America and thought the natives were Indians hence the name Red Indians
You are clearly looking for the simplistic answer: tipi, tepee or teepee. None of these is an accurate answer, however. The Lakota word tipi means "they dwell" and is not the name of the buffalo-hide...