mounts the Airtripper using the stock drives mount holesfeatures 4 holes 4mm for screw mounting2 holes for 6mm screws mounting the Airtipper onto the platethe final version comes with 4mm thick mount platemodify the SCAD file as you needpls note: a little top cover opening required or leave the top cover as I didmount variante1: using 3 x 4mm (two of the stock holes plus the additional in the lower left corner)mount variante2: using 4 x 4mm, put washers between the Airtripper and the mountplate before, lifts the stepper a little, makes room for the 4th screwhead covered by the stepperrelated:- Airtripper extruder : http://www.thingiverse.com/thing:126778- Airtipper mod for rubber printing: http://www.thingiverse.com/thing:271334/- Airtripper mounted outside of the MB: https://www.youmagine.com/designs/airtripper-bsp-for-makibox-quick relaese : http://www.thingiverse.com/thing:237822-mod for E3D pneumatic fitings: http://www.thingiverse.com/thing:343148