Picture must be from above as centered as possible. Please take a picture of each item individually and one of the complete layout you want like below.
For longer/bigger items, please make sure to take 3 pictures like below. Centered, to the left and to the right. Items do not have to be on graph paper, although, that helps in the sizing. you can just lay out the items on the floor, table or in the case.
Watch it here: