Prusa i3 Z axis mount for optical endstop

i created this as i was having repeat-ability problems when homing the Z axis on my i3 which was using mechanical end stops, 0.1-0.3mm difference in home position doesn't really matter on the X and Y axis as the firmware only uses that as it's 0 point, but that same margin can make or break a print on the Z axis due to the first layer issues. So i purchased optical end stops instead, but when they arrived and i looked for mounting options the current available mounts weren't really to my suiting