I then used the soft furnishings sewing machines to overlock the edges so it defiantly wouldn't fray I then sewed the three sides together. I then had a trial run in the studio to see if it had worked. After doing so I sewed the bottom piece onto the rest and sewed half the door shut before adding 4 straps 3 for tent pegs and one at the top point of the pyramid to secure the rope for hauling up abode.