- cut a rectangle of 14 cm of length for 4,5 cm of height
- cut both sides for the lens and in the middle for the nose space
Let a margin around the lens of 6 mm

- cut the cellophane paper slightly bigger than the lens hole

- with the cello-tape, glue the lens all around the paper eye glass

- repeat the same procedure for the blue lens

 Don`t forget that:
- the red lens is for the left eye
- the blue lens is for the right eye

 Now you are ready to see at 3 dimensions!