I've listed 25 different tarp shelter designs to help you get started. Each configuration has its pros and cons and there isn't really a perfect design for all occasions. You'll have to chose the righ(Try Design)
Did this one night for a skills project, but i went beyond & rounded the corners more to make more realistic and complted all sides to make it a full santa. Came out amazing, i didn't think i was capable of making something so great looking.