prusa i3 adjustable z height for sainsmart endstop switches

i modified this screw design to use the sainsmart endstop switches i had .
other designs use a zip tie to hold the switch in place or dont compensate for the width of the switch to align with the adjuster so i made my own


the glue on adjustable screw holder is here
http://www.thingiverse.com/thing:71538