Finally a simple hands free surface touch probe for any CNC that requires conductive probing.  Requires 3x 3mmx40mm springs and any conductive surface up to 1.125" wide.  I sourced the springs from 3x discarded cigarette lighters, the flint springs.  And the aluminum plate from an old ruler lying around.  The springs may be difficult to solder to so wrapping the wire around them will work as well.  Thanks

Models will need to be oriented correctly for printing