Pull Tool Options
- Add: Only add material when you pull. If you pull in a subtractive direction, no change will occur. You can combine this option with other Pull options. 
- Cut: Only remove material when you pull. If you pull in an additive direction, no change will occur. You can combine this option with other Pull options. 
- No merge: Pulls without merging into other objects even when the object pulled intersects with an existing object. 
- Round: Create a rounded corner (fillet) on a thickness edge while pulling. 
- Chamfer: Create a chamfer on a thickness edge while pulling.