OpenBridge Modeler – Help The RibbonUtilities Ribbon TabACS ACS Define ACS by Element toolUsed to define an ACS on 2D elements and on 3D elements including surfaces, solid faces, and mesh facets.Define ACS by Points toolUsed to define an ACS with data points. Upon definition, the ACS becomes the Active ACS.Define ACS by View toolUsed to assign an Auxiliary Coordinate System to each view.Define ACS by Reference toolUsed to define an ACS aligned with an attached reference. Upon definition, the ACS becomes the Active ACS.Move ACS toolUsed to move the origin of the Active ACS.Rotate ACS toolUsed to rotate the active ACS.Select ACS toolUsed to select an ACS for attachment as the Active ACS.Apply ACS to Selected View toolUsed to apply an Auxiliary Coordinate System to the selected view.