Developing Drawing Strategies: Part 1 - AutoCAD 2011 and AutoCAD LT 2011: No Experience Required - page 108

6. Start the FILLET command by clicking the Fillet button from the
Modify panel on the Home tab.
7. Enter R ↵ to select the Radius option; then set the radius to 12 ″ (3600).
8. Select any two polyline segments that share a corner of the inner
box. The two segments are shortened and a curved segment with a
12 ″ (3600 mm) radius is inserted. The polyline now has nine contigu-
ous segments (see Figure 4.13). The FILLET command automatically
ends after each fillet.
FiGuRE 4.13 The first corner is filleted.
9. Press ↵ or the spacebar to restart the FILLET command.
10. Enter P ↵ to instruct AutoCAD that the fillet is to be performed on
all intersections of a polyline. At the Select 2D polyline: prompt,
select the inner box. All corners are now filleted (see Figure 4.14).
FiGuRE 4.14 The polyline's corners are filleted.