Laminin is a molecule with flexible bonds, unlike for instance a molecule of H20, where the bond is always 105 degrees (or 109, I forget). The molecular model is two dimensional to easily represent the bonds for scientists and kids in chemistry classes.
As you can see, under an electron microscope, the bonds can be found in any configuration.
It's a nice bit of imagery to make a point.
Now quit your bickering, or there'll be no recess and extra homework for the lot of you.
J