# To Create Construction Lines [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 Create a Construction Line by Specifying Two Points** 1. Click Draw > Construction Line on the main menu. 2. Specify a point. 3. Specify the through point. 4. Continue to specify through points if necessary. 5. Press Enter to end the command. **To Create a Ray** 1. Click Draw > Ray on the main menu. 2. Specify the start point. 3. Specify the through point. 4. Continue to specify through points if necessary. 5. Press Enter to end the command. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/To%20Create%20Construction%20Lines.html) · © Gstarsoft Co., Ltd.