After creating a template for bracket for holding the rear lights 4 more were made as the final products:
Each pod needed to be individually tuned to fit the shape of the fibreglass to ensure that the LED ring was held in tightly and that the inner lighter protrude the correct amount.

Brackets and lights installed on a wing and the wiring sorted.

And installed on the car:

And we have light! The final layout is: rings for brakes, red for rear light, and clear for indicators.

Also added this snazzy button holder under the dash:

