# To Mask a Drawing Area [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) → [Procedures](Help%20System/GSTARCAD/2027/Commands/01%20Procedures/(Procedures).md) **To Mask a Drawing Area** 1. Click Draw > Wipeout on the main menu. 2. Specify points in a sequence that defines the perimeter of the area to be masked. You can also enter P and click an existing polyline to use. The polyline must be closed, contain line segments only, and have zero width. 3. Press Enter to end the command. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/To%20Mask%20a%20Drawing%20Area.html) · © Gstarsoft Co., Ltd.