LED headlight caps for Holden / Vauxhall Monaro / Pontiac GTO

Rear headlight caps to accommodate LED bulbs for the VY/V2/VZ Holden/Vauxhall Monaro, and possibly Pontiac GTO and earlier monaros (and commodores?) too. I developed this on my UK VY/V2 Monaro CV8. Optimised to print with (nearly) no support. Mine have been installed since April 2015 and haven't melted :)

I used Philips Lumileds LUXEON LEDs for my main beams, and I think they work nicely - tight fit though, see photos. The photos inside in the engine bay are an earlier version of the cap I th