# CONVTOSOLID Command [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) **Function Description:** This command is used to convert eligible 3D objects to 3D solids. **Command Access:** > **Icon:**  > **Menu:** Modify > 3D Operations > Convert to Solid  > **Ribbon:** Mesh > Mesh Convert > Convert to Solid > **Toolbar:** / > **Command:** CONVTOSOLID > **Alias:** / **Command Prompts:** ``` Select objects to: ```  --- **Related References：** - [Commands about Working with 3D Models (GstarCAD 2026)](../../2026/Commands/00%20Command%20Groups/Commands%20about%20Working%20with%203D%20Models.md) **Related Tasks：** - [To Convert One or More Surfaces to Solids (GstarCAD 2026)](../../2026/Commands/01%20Procedures/To%20Convert%20One%20or%20More%20Surfaces%20to%20Solids.md) --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/CONVTOSOLID.html) · © Gstarsoft Co., Ltd.