# Trim to Nested Objects [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) → [Blocks](Help%20System/GSTARCAD/2022/User%20Guide/Express%20tool/Blocks/(Blocks).md) The BTRIM command is used to trim objects with a block as a cutting boundary.