Added mount holes for a standard NEMA17 motor
Added mount holes for a standard NEMA17 motor

hlieberman/BeachLab_flip_flap,TheBeachLab/BeachLab_flip_flap,Fablabsitges/BeachLab_flip_flap,hlieberman/BeachLab_flip_flap,Fablabsitges/BeachLab_flip_flap,TheBeachLab/BeachLab_flip_flap,hlieberman/BeachLab_flip_flap,Fablabsitges/BeachLab_flip_flap,TheBeachLab/BeachLab_flip_flap