# To Clip an Underlay [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 Clip an Underlay** 1. Click the boundary of an underlay to select it. 2. Click Modify > Clip > Image on the main menu. 3. At the command prompt, enter N to access New boundary option, then enter S (Select Polyline), P (Polygonal), R (Rectangular), or I (Invert Clip) and then draw the specified boundary on the underlay. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/To%20Clip%20an%20Underlay.html) · © Gstarsoft Co., Ltd.