Change the order of worm gear, worm mount and pulley according to issue #34.
Also with this approach, the belt tension doesn't, as much as before, affects the worm axis.
Add all parts, washers-nuts, in assembly.
Signed-off-by: zisi <agzisim@gmail.com>
Change the holder part in order to regulate the distance between gears.
Use only M3 flat head screws to mount and for axis.
Change the holes clearance according to machinery handbook p.1612.
Signed-off-by: zisi <agzisim@gmail.com>