This is a rendered picture of what the spiral will look like when you haven't set up the correct Lens Length.
This is a rendered picture of what the spiral will look like when you have set up the correct Lens Length. Kind of looks like a part of a phone cord. =o)
This is a rendered picture of what the spiral will look like at a different angle.
This is a rendered picture of what the spiral will look like at another different angle. The angle renderings were accomplished by using the Rotate button on the Transformation Toolbar to the camera.
This is a rendered picture of what the spiral will look like looking at an angle by which you can see down the core of it.