This 8 x 10 color transparency (7) includes the back and front of the upper body of the man of the shroud. Note the space in between the front and back of his head. He was laid out on one end of this long linen cloth and the other end was placed over his body. The cloth was sufficiently tucked around his body so that the moist blood clots on his body soaked up into the cloth, leaving the blood marks that are visible.
The brown parallel marks and patches were the result of a fire that took place in 1532. The faint image of the entire front and back of the body occurred after the blood marks because there are no image marks under the blood marks. So, the blood marks were the first event, and image formation was a completely separate second event. How this image occurred has been studied but the explanation of its origin remains unknown. Note that there are no side images of the body.