# data[].attributes.body
Some light rays can be deflected of this surface,  and some will go through but bend in a different way

# data[].attributes.body
Rough surface

# data[].attributes.body
Diffuse reflection

# data[].attributes.body
off a smooth surface

# data[].attributes.body
Diffused: reflection on a dull/ rough surface
Specular: reflection on a smooth surface

# data[].attributes.body
Lets almost all light through it. Can see through the object.