Front light mount holder - Metabikes recumbent

This is a front light mount, for a Metabikes Metaphrastic recumbent front boom ( See http://www.meta-bikes.com for further details)

The front boom comes with a threaded hole (just above the bracket) but there was no mount holder initially.

I chose a 25mm diameter for the clamp zone, something between 22,2mm and 26mm, wich will fit the most front lights available.

Since the end of 2012, there's a genuine part available ( http://www.meta-bikes.com/images/front_790.jpg ), wich seems to be