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It’s common to need to place a circle in the middle of a rectangle, especially in mechanical drawings. It’s easy to do using object snap tracking.
Object snap tracking tracks the coordinates on object snaps and for this task, you need to track the midpoint of the rectangle’s sides. Here are the steps:
Watch the video to see how it’s done!
- Make sure that the Object Snap Tracking button on the status bar is on, or press F11.
- Make sure the midpoint object snap is on or press F3.
- Right-click the Object Snap button on the status bar and choose Midpoint, if it isn’t already highlighted.* This sets a running object snap for midpoints.
- Draw a rectangle (RECTANG command).
- Start the CIRCLE command.
- At the Specify center point for circle or [3P/2P/Ttr (tan tan radius)]: prompt, pass the cursor over one midpoint of a rectangle side until you see it marked. This is called acquiring the object snap.
- Move the cursor toward the center of the rectangle and then pass the cursor over a rectangle side that is perpendicular to the first side, to acquire that sides midpoint.
- Move the cursor toward the center of the rectangle until you see the tracking lines from both midpoints cross each other at the rectangle’s center.
- Click to specify the circle’s center.
- At the Specify radius of circle or [Diameter]:* prompt, specify the circle’s radius.
How do you use object snap tracking?
AutoCAD Tips Blog - by Ellen Finkelstein