update controller documentation, some fixturing, 1axis look

README.md

cad/singleAxis/RCT N17 Heavy Pinion v17.step

cad/singleAxis/RCT N17 USSM v2.step

cad/singleAxis/ussm-sa-sketch.3dm

cad/uSSM2 v40.3dm

cad/uSSM2 v40.step

cam/3dp/2019-06-11/ussm-90degs-clamp-p1.stl

cam/3dp/2019-06-11/ussm-90degs-clamp-p2.stl

cam/3dp/2019-06-11/ussm-fixtures-clamp-p1.stl

cam/3dp/2019-06-11/ussm-fixtures-clamp-p2.stl

cam/3dp/2019-06-11/ussm-fixtures-clamp-p3.stl

cam/3dp/2019-06-11/ussm-fixtures-clamp-p4.stl

cam/3dp/camera-mount/beamClamp.stl

cam/3dp/camera-mount/cameraMouunt (1).stl

cam/3dp/camera-mount/cameraSideTubeClamp (1).stl

cam/3dp/camera-mount/ground.stl

cam/3dp/camera-mount/tubeClamp.stl

cam/3dp/router-mount/ussm-powermount.stl

cam/3dp/router-mount/ussm-routermount.stl

cam/3dp/router-mount/ussm-routermount.stlbak