P3Steel - Bulldog - E3D adapter

This adapter can be used to mount a geared extruder motor, taken from a bulldog extruder, onto a P3Steel printer.
I use the excellent direct drive extruder designed by Lawsy :
http://www.thingiverse.com/thing:111213
with the E3D v6 adapter designed by Azerat:
http://www.thingiverse.com/thing:393928
and the cooling fan by Clough42 :
http://www.thingiverse.com/thing:351280