To Set the Polar Snap Distance
Click
Tools
menu
Drafting Settings
.
In the Drafting Settings dialog box, Snap and Grid tab, select Snap On.
In Snap Type, select PolarSnap.
Under Polar Spacing, enter the polar distance.
On the Polar Tracking tab, select Polar Tracking On.
Select the angle from the Increment Angle list.
You can specify additional angles by choosing Additional Angles and then New.
Related Concepts
About Polar Tracking and PolarSnap