# CONVTOMESH [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [What's new](Help%20System/GSTARCAD/2021/What's%20new/(What's%20new).md) You can input CONVTOMESH command to convert eligible 3D objects into meshes, the objects will be smoothed at the same time in the conversion as well. **Eligible objects include:** solids, closed polylines, regions, 3D face, 3D surfaces, polygon meshes. **FACETERMESHTYPE:** System Variable, controls the level of smoothness upon conversion (If the mesh type is not set to be optimized, the converted object is not smoothed). **DELOBJ** :System Variable, when sets the value to 0, the defining objects won’t be deleted, when the value is -3, there will be a two options for users to choose delete or not, when it is 3, the defining objects will be deleted. --- Gstarsoft Co.,Ltd