Superseded by http://www.thingiverse.com/thing:617617 use that instead!!!

Limit Switch Mounts for the X & Y Axis
Locks onto maker slide axis rails - made to match maker slide profile

Z Axis Coming - out of abs so cant test that one yet;(
UPDATE: As Promised - Z Axis ready - http://www.thingiverse.com/thing:439373

Note, On X axis, fibreglass belt tensioners get in way so extra clearance on one of the files for that axis!