Transfered from EAP Ideas list
More options for generating ACS. We currently have By Element/face, 3 points, by View and by Ref Attatchment.

By an origin point and two edges. Note the 'flipper' handles.
By an origin point and profile. Note the options to align with global z,y,z axes.
By an offset distance from an existing ACS or face
By an edge or line for the z-axis and a second edge or point to define the x or y axis.