# CHANGEBASE Command [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [Commands](Help%20System/GSTARCAD/2022/Commands/(Commands).md) → [C](Help%20System/GSTARCAD/2022/Commands/C/(C).md) ## Function Description: This command is used to allow changing the base point position of a block. You can move the base point and keep objects staying in original position, or move objects and keep base point staying in original position. ## Command Access: > **Icon:** >  > **Menu:** Express \> Blocks \> Change Base > **Ribbon:** Express \> Blocks \> Change Base > **Toolbar:** / > **Command:** CHANGEBASE > **Alias:** / ## Command Prompts: Please select a block: Specify new position of the base point: Specify the mode\[move Object/move Base point\] \<move Base point\>: ## Move object Moves objects in the block according to the new relative position of objects and base point, while the base point is staying in the original position.  ## Move base point Moves the base point, while the objects are staying in the original position.