Working on a new CoreXY printer
and was hoping you guys could give me your two cents on the basic idea of how ABL is handled in this gantry design

A Special gantry for openbuilds vslot using Mini V wheels
it also include the ABL (Auto Bed Levelling) Micro switch so when pressure is applied to the nozzle it hinged upward slightly to trigger the microswitch

http://www.thingiverse.com/thing:1737901

Video https://youtu.be/MJS9SiPSY3Y
https://youtu.be/MJS9SiPSY3Y