fpv boardcam housing remix

-Stand prints in one piece instead of 3,
-more aerodynamic front cover ;-)
-added holes to front cover for better balance
-larger back cover so OSD can be fitted and hot glued inside camera housing (minimosd micro)
-2 options for attaching holder to stand piece, hole for screw/nut or zip tie, or printed pins directly to stand as original design.

Camera lens diameter should be under 18mm