Redefining the Base Point of a Block Use the RedefineBasePoint command to set a new insertion base point for all instances of a Block. Another way to modify a base point of a Block is using the EditBasePoint command in Component Editing mode. For nested Blocks, you can modify only the base point of the parent Block. To redefine the base point of a block: In the graphics area, select a Block instance. Do one of the following: Right-click and click Redefine Block Base Point. Type RedefineBasePoint. Rubberband appears between the current base point of the Block and the pointer. Specify the new base point. All Block instances in the drawing are updated. Parent topicBlock and BlockAttribute Tools