We found a simple way to resolve the Z axis falling down at the end of the print 
cost : $0 .
realisation time : 1 s .
result : fun and perfect 
https://www.youtube.com/attribution_link?a=wadi8aYiFac&u=/watch?v%3DDD3156uzXRU%26feature%3Dshare
Impressive
Thatโs a nice idea. What about overhangs and supports. How are they affected