# 3DORBITCTR Command [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [Commands](Help%20System/GSTARCAD/2022/Commands/(Commands).md) → [3D](Help%20System/GSTARCAD/2022/Commands/3D/(3D).md) ## Function Description: This command is used to set rotation center in 3D dynamical observation view. Activate 3D dynamical observation view and use a specified orbit center by the pointing device. If specifying a point beyond the current viewport, the 3DORBITCTR command will ignore the specified point and use the default point. ## Command Access: > **Icon:** / > **Menu:** / > **Ribbon:** / > **Toolbar:** / > **Command:** 3DORBITCTR > **Alias:** / ## Command Prompts: Specify orbit center point: