Caliper mounts made from 1" wide 1/8" thick aluminum bar stock from the hardware store. Right angle bend was done in a vice while pounding with a hammer to keep the aluminum from breaking.
Approximate dimensions:
(http://i1221.photobucket.com/albums/dd470/Motobrick/auxlights/aux1_drawing.jpg)
Prior to powder coating:
(http://i1221.photobucket.com/albums/dd470/Motobrick/auxlights/aux1__precoat.jpg)
Side view:
(http://i1221.photobucket.com/albums/dd470/Motobrick/auxlights/aux1_sideview.jpg)
Front view:
(http://i1221.photobucket.com/albums/dd470/Motobrick/auxlights/aux1_frontview.jpg)
I had to add new mounting holes in order to get the Hella FF50s to point down far enough to be at the correct angle:
(http://i1221.photobucket.com/albums/dd470/Motobrick/auxlights/aux1_ff50.jpg)