| Move a Vertex  | 
Select the vertex grip, and move it.  | 
| Add a Vertex  | 
- Grips: Select an Edge grip, and press Ctrl to switch to the Add Vertex edit mode. Move the edge to the desired location and click, or enter a value and press Enter. 
 
- Ribbon: Click  
       . Then, specify the location of the new vertex on screen.  
- Context menu: Click Add Vertex, and specify the location of the new vertex on screen. 
 
 
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| Remove a vertex  | 
- Grips: Select the Vertex grip for the vertex you want to remove, and press Ctrl to switch to the Remove edit mode. Move the cursor off the selected vertex, and click. 
 
- Ribbon: Click  
       . Then, select the vertex to remove on screen.  
- Context menu: Click Remove Vertex, and select the vertex to remove. 
 
 
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| Offset a vertex with its edges  | 
Select the vertex grip which you want to offset with its associated edges. Then, press Ctrl twice and drag the vertex to the desired location.  | 
| Offset a profile edge  | 
Select the grip of the edge you want to offset and drag it to the desired location.  | 
| Convert an edge to an arc  | 
 Select the grip of the edge you want to convert, and press Ctrl twice. Then, drag the grip until the desired arc shape is in place.  | 
| Offset all edges of the profile  | 
Select any edge grip on the profile, and press Ctrl three times. Then, drag the grip until the overall profile shape is correct.  | 
| Add a ring to a profile  | 
- Ribbon: Click  
       . Then, select a closed polyline, spline, ellipse or circle to convert.  
- Context menu: Select the profile, and click Add ring. Then, select a closed polyline, spline, ellipse to convert. 
 
 
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| Remove a ring from a profile  | 
- Ribbon: Click  
       . Then, select the ring you want to remove from the profile, and press Enter.  
- Context menu: Select the profile, and click Remove Ring. Then, select the ring you want to remove from the profile, and press Enter. 
 
 
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| Replacing a ring with another  | 
- Ribbon: Click  
       . Then, select the ring you want to replace and the ring that should be used instead.  
- Context menu: Select the profile, and click Replace Ring. Then, select the ring you want to replace, and after that the ring that should be used instead. 
 
 
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