Fixed #6 by adding channels for easier ball driver access to NEMA 17 stepper motor screws.
Changed indentation from tabs to double spaces, increased filament chamfer.
KOSSEL business card for autolevel demo.
Slightly bigger access for ball driver to NEMA17 stepper motor mounting screws.
Fixed #10 by removing unused vertical calibration screw on carriages.
Use M5 thread for bowden push-fit connector mount.
Use M5 thread for extruder push-fit bowden connector.
Shorter channel to the extruder push-fit connector.
Changed frame_top idler bolt from M4 to M3 for use with F623ZZ bearings.
Improved M3 nut trap for MakerGear gearhead extruder.
Adjusted frame_top idler support cones for M3 bolt.
One third of Mini Kossel (6 parts) on a round plate, about 160 mm diameter.
Merged changes from Johann