Lightweight adapter to mount a Piko BLX flight controller that uses 20x20 spacing to a 30.5x30.5 spacing used by Naze/CC3D/SP3/etc
Uses four M3x6 screws and nuts.
6/14/2016 Added a version with tabs instead of screw holes. Use flexible filament and pull the tabs through the board holes.
12/10/2017 Added a 30.5x30.5 to 16x16 adapter
Print 100% infill. No supports needed.