GoPro Lens hood

Decided to work on a lens hood for the GoPro to stop any issues with polystyrene coming lose around the exit hole on the payload.

When i made the hole it was no way near as good as the on for the RX100 and ended up also digging away to get a wide enough aperture so that the wide angle of the lens would not catch the outer edges of the hole. I'm a bit worried that i might get bits on the lens or coming lose during flight.

So a few minutes in OpenSCAD and i came up with

Its printing at the moment so will see what its like in about an hour.