The (other) A3 host I posted earlier has also since been completed, with this absolutely gorgeous light engine by VoB ...
Now, it looks like this ...
... with a 1wrx7 tube and a Ti Seraph tail cap (modded V54 high current switch)
Impressive light engine! :twothumbs
Which LEDs are used and how hard are you pushing them?
BTW I think you better post the photos