4 tools, 1/8", 2mm ball, 1mm ball and 3 degree engraver. Bit of 4 and 5 axis.
I did notice a strange knock on the b-axis as it unwinds at the end of a spiral path but it's not there when jogging the machine manually. B axis moves freely with motors disengaged. Needs more inverstigation.
https://youtu.be/xD-Mbr4LU84