12V Aux Power Rail for RAMPS and 2020 Extrusion

Have many 12V printer accessories and only one 12V AUX header on your RAMPS board? Print this power rail and attach it to the 2020 extrusion on your printer which will allow you to connect four 12V devices.

I use it for a hot end fan, stepper driver fan and LED strip.

### Instructions
1. Cut a strip of vero board 4 tracks wide and 5 holes long
2. Solder two rows of 5 header pins along the middle two rows of the vero board. Check you haven't bridged the two rows using a multimeter.
3. Pr