The crash was not on a 3DPrinted copter. Was a classical aluframe (the small one I´ve brought to Hanover last year).
It was using DIMU. Unfortnally no logs. I´m still having problems with DIMU, not reliable (for me). Some times it "loose" the refference and start this divergence (the crash was after 1h of perfect flight!). This happens mainly when first time PosHold is set. Except for the crashes
, all the rest it flies incredibelly well, mainly in heigth control.
The copter was fully destroyed: all four arms bent (this is the main drawback of alu tubes). So I´m rebuilding a new small quad.