# To Work With Fillets [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 Set the Fillet Radius** 1. Click Modify > Fillet on the main menu. 2. Enter R at the command prompt. 3. Specify a fillet radius. **To Insert Arcs At Each Vertex of A 2D Polyline** 1. Click Modify > Fillet on the main menu. 2. Enter P at the command prompt. 3. Select a 2D polyline. **To Add A Fillet Without Trimming the Selected Objects or Line Segments** 1. Click Modify > Fillet on the main menu. 2. Enter T at the command prompt. 3. Enter N. 4. Select the first object and the second object. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences/To%20Work%20With%20Fillets.html) · © Gstarsoft Co., Ltd.