The Z-axis mechanical drive is ready for hot motor testing. The 4-
wire NEMA-17 stepping motor is fitted with a solid shaft coupling to
the 5mm dia x 0.8mm pitch lead screw. One revolution of the screw
advances the carriage 0.8mm.
I'll bring it early to Tuesday's meeting in case we/ll have a ready
matching stepper driver board to mate up to make it move.