The ReplaceBlock command redefines selected block instances with a different block definition.


1. Select block instances to change and press Enter.

If you select one of several instances in the model, a command-line message displays the number of additional instances in the model.

2. Select a block instance that uses the desired block definition.

Or select a block definition from the list.

Command-line options


Displays a list of block definitions in the model to select from.


Selects all instances of the current block definition including unselected, hidden, and locked instances.


Selects no additional instances. Only the selected instances will be changed.

Or select a block from the definition list.

See also

Work with blocks, groups, and worksessions

Rhinoceros 5 © 2010-2015 Robert McNeel & Associates. 17-Sep-2015