# SASCL [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [User Guide](Help%20System/GSTARCAD/2022/User%20Guide/(User%20Guide).md) → [Express tool](Help%20System/GSTARCAD/2022/User%20Guide/Express%20tool/(Express%20tool).md) → [GstarCAD Tools](Help%20System/GSTARCAD/2022/User%20Guide/Express%20tool/GstarCAD%20Tools/(GstarCAD%20Tools).md) ## Operation steps: 1. Start the command. 2. Input a drawing ratio and enter to finish.