Using layers organizes objects so you can manipulate them all at once or keep track of them. When objects have a layer assignment, you can turn them all off at once, change their wireframe display color, and select them all with one selection.
 Layer
Layer
        Toggle Layer panel.
 LayerStateManager
LayerStateManager
        Save and restore the current layer state.
 DupLayer
DupLayer
        Duplicate (copy) a layer including all layer attributes and geometry.
 OneLayerOff
OneLayerOff
        Turn off an object's layer.
 OneLayerOn
OneLayerOn
        Turn a layer on and all other layers off.
 Purge
Purge
        Delete unused block definitions, groups, layers, hatch patterns, linetypes, annotation styles, and materials.
 SetLayerToObject
SetLayerToObject
        Set the current layer to match a specified object.
 ChangeLayer
ChangeLayer
        Change an object's layer.
 ChangeToCurrentLayer
ChangeToCurrentLayer
        Change an object's layer to the current layer.
 CopyToLayer
CopyToLayer
        Copy objects to a layer.
 MatchLayer
MatchLayer
        Change an object's layer to match another object.
Work with blocks, groups, and worksessions
Rhinoceros 6 © 2010-2020 Robert McNeel & Associates. 11-Nov-2020